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April 26, 2016 Where: At the Time 100 Gala in New York City. Photo: Kevin Mazur/Getty Images
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April 25, 2016 Where: On The Tonight Show with Jimmy Fallon.
Photo: Andrew Lipovsky/NBCU/Getty Images
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April 10, 2016 Where: At the MTV Movie Awards. Photo: Jeff Kravitz/FilmMagic for MTV
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March 15, 2016 Where: Before appearing on The Elvis Duran Z100 Morning Show in New York City.
Photo: Getty Images
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March 14, 2016 Where: Visiting Music Choice in New York City.
Photo: Getty Images
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February 15, 2016 Where: At the 58th Grammy Awards in Los Angeles, California.
Photo: Getty Images
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February 13, 2016 Where: With Missy Elliot at The Creators Party hosted by Spotify in Los Angeles, California.
Photo: Getty Images
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November 23, 2015 Where: Performing at the finale of Dancing With the Stars.
Photo: Getty Images
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November 22, 2015 Where: Performing onstage during the American Music Awards.
Photo: Getty Images
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November 22, 2015 Where: Attending the American Music Awards in Los Angeles, California.
Photo: Getty Images
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November 22, 2015 Where: Performing during the American Music Awards.
Photo: Getty Images
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November 12, 2015 Where: Posing with Minnie Mouse during the taping of Disney Parks Unforgettable Christmas Celebration in Lake Buena Vista, Flor... more
November 12, 2015 Where: Posing with Minnie Mouse during the taping of Disney Parks Unforgettable Christmas Celebration in Lake Buena Vista, Florida.
Photo: Getty Images
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November 6, 2015 Where: At a meet and greet in Hamburg, Germany.
Photo: Getty Images
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November 4, 2015 Where: Launching her debut fragrance in London.
Photo: Getty Images
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November 4, 2015 Where: Walking to KISS FM in London.
Photo: Getty Images
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September 16, 2015 Where: Onstage before unveiling her debut fragrance in New York City.
Photo: Getty Images
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August 30, 2015 Where: At the Republic Records private post-VMA celebration in West Hollywood, California.
Photo: Getty Images
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August 13, 2015 Where: Arriving in Tokyo, Japan, at the Haneda Airport.
Photo: Getty Images
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June 28th, 2015 Where: Onstage during her performance at the 27th NYC Pride: "Dance on the Pier at Pier 26."
Photo: Getty Images
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May 18, 2015 Where: Onstage during the 2014 Billboard Music Awards in Las Vegas, Nevada.
Photo: Getty Images
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May 1, 2015 Where: Posing with Rihanna at the iHeartRadio Music Awards in Los Angeles, California.
Photo: Getty Images
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April 26, 2015 Where: Performing during Jeffrey Sanker Presents the 25th White Party Anniversary in Palm Springs, California.
Photo: Getty Image... more
April 26, 2015 Where: Performing during Jeffrey Sanker Presents the 25th White Party Anniversary in Palm Springs, California.
Photo: Getty Images
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March 29, 2015 Where: On the red carpet at Nickelodeon's 27th Annual Kids' Choice Awards in Los Angeles, California.
Photo: Getty Images
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March 20, 2015 Where: Performing onstage at Madison Square Garden in New York City.
Photo: Getty Images
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February 10, 2015 Where: Attending Stevie Wonder: Songs in the Key of Life — an All-Star Grammy Salute at Nokia Theatre in Los Angeles, Californi... more
February 10, 2015 Where: Attending Stevie Wonder: Songs in the Key of Life — an All-Star Grammy Salute at Nokia Theatre in Los Angeles, California Photo: Getty Images
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February 08, 2015 Where: On the red carpet at the 57th Annual Grammy Awards at the Staples Center in Los Angeles, California.
Photo: Getty Image... more
February 08, 2015 Where: On the red carpet at the 57th Annual Grammy Awards at the Staples Center in Los Angeles, California.
Photo: Getty Images
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January 26, 2015 Where: Arriving at the 56th Grammy Awards at the Staples Center in Los Angeles, California.
Photo: Getty Images
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December 21, 2014 Where: Performing onstage during Y100's Jingle Ball 2014 in Miami, Florida.
Photo: Getty Images
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December 15, 2014 Where: Onstage while performing during HOT 99.5's Jingle Ball 2014 in Washington, D.C.
Photo: Getty Images
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December 8, 2014 Where: Onstage at KDWB's Jingle Ball 2014, in St. Paul, Minnesota.
Photo: Getty Images
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December 5, 2014 Where: Performing onstage during KIIS FM's Jingle Ball 2014 in Los Angeles, California.
Photo: Getty Images
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December 2, 2014 Where: On the catwalk at the annual Victoria's Secret fashion show in London, England.
Photo: Getty Images
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November 23, 2014 Where: Onstage at the 2014 American Music Awards at Nokia Theatre, in Los Angeles, California. Photo: Getty Images
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November 23, 2014 Where: Performing onstage at the American Music Awards at Nokia Theatre, in Los Angeles, California. Photo: Getty Images
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November 18, 2014 Where: Onstage at A Very Grammy Christmas in Los Angeles, California.
Photo: Getty Images
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November 18, 2014 Where: Performing at A Very Grammy Christmas in Los Angeles, California.
Photo: Getty Images
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November 9, 2014 Where: On the red carpet before the MTV Europe Music Awards, in Glasgow, Scotland. Photo: Getty Images
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November 9, 2014 Where: Onstage during the MTV EMAs, in Glasgow, Scotland.
Photo: Getty Images
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November 5, 2014 Where: Onstage during the 48th annual CMA Awards, in Nashville, Tennessee.
Photo: Getty Images
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September 19, 2014 Where: Onstage during the 2014 iHeartRadio Music Festival in Las Vegas, Nevada.
Photo: Getty Images
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September 19, 2014 Where: Arriving at 1 OAK night club at the Mirage Hotel & Casino, in Las Vegas, Nevada.
Photo: Getty Images
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September 14, 2014 Where: Promoting her album My Everything in Tokyo, Japan.
Photo: Getty Images
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August 29, 2014 Where: Performing on the Today show in New York City.
Photo: Getty Images
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August 24, 2014 Where: Posing in the press room of the 2014 MTV Video Music Awards in Inglewood, California.
Photo: Getty Images
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August 24, 2014 Where: On the red carpet before the 2014 MTV Video Music Awards in Inglewood, California.
Photo: Getty Images
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August 24, 2014 Where: Onstage during the 2014 MTV Video Music Awards in Inglewood, California.
Photo: Getty Images
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June 29, 2014 Where: Performing during 103.5 KTU's KTUphoria 2014 in East Rutherford, New Jersey.
Photo: Getty Images
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June 27, 2014 Where: Onstage at the iHeartRadio Ultimate Pool Party presented by Visit Florida, in Miami Beach, Florida.
Photo: Getty Images
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June 15, 2014 Where: Performing at the 2014 Much Music Video Awards in Toronto, Canada.
Photo: Getty Images
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December 13, 2013 Where: Backstage at Z100's Jingle Ball 2013 in New York City.
Photo: Getty Images
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December 6, 2013 Where: Onstage durign KIIS FM's Jingle Ball at the Staples Center, in Los Angeles, California.
Photo: Getty Images
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December 2, 2013 Where: Performing during KISS FM's Jingle Ball 2013 in Dallas, Texas.
Photo: Getty Images
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November 28, 2013 Where: Attending the 87th annual Macy's Thanksgiving Day parade in New York City.
Photo: Getty Images
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November 25, 2013 Where: Visiting the Empire State Building in New York City.
Photo: Getty Images
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November 24, 2013 Where: Attending the 2013 American Music Awards at Nokia Theatre, in Los Angeles, California.
Photo: Getty Images
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November 10, 2013 Where: Attending the MTV EMAs 2013 in Amsterdam, Netherlands.
Photo: Getty Images
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November 7, 2013 Where: Leaving BBC Radio One in London, England.
Photo: Getty Images
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October 12, 2013 Where: Attending the U.K. premier of Sam & Cat, in London, England.
Photo: Getty Images
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September 21, 2013 Where: Walking the orange carpet for the 10th Annual Worldwide Day of Play at Prospect Park, in New York City.
Ph... more
September 21, 2013 Where: Walking the orange carpet for the 10th Annual Worldwide Day of Play at Prospect Park, in New York City.
Photo: Getty Images
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September 4, 2013 Where: Attending the 2013 Style Awards at Lincoln Center in New York City.
Photo: Getty Images
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August 25, 2013 Where: Performing during the 2013 MTV Video Music Awards pre-show at Barclays Center, in Brooklyn, New York City.
Photo: G... more
August 25, 2013 Where: Performing during the 2013 MTV Video Music Awards pre-show at Barclays Center, in Brooklyn, New York City.
Photo: Getty Images
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August 10, 2013 Where: Performing at Philips Arena in Atlanta, Georgia.
Photo: Getty Images
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May 19, 2013 Where: Arriving at the 2013 Billboard Music Awards in Las Vegas, Nevada.
Photo: Getty Images
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May 11, 2013 Where: Attending 102.7 KIIS FM's Wango Tango in Carson, California.
Photo: Getty Images
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April 27, 2013 Where: Arriving at the 2013 Radio Disney Music Awards at Nokia Theatre in Los Angeles, California.
Photo: Getty Images
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April 14, 2013 Where: Arriving at the 2013 MTV Movie Awards in Culver City, California.
Photo: Getty Images
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March 23, 2013 Where: Arriving at Nickelodeon's 26th Annual Kids' Choice Award in Los Angeles, California.
Photo: Getty Images
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December 3, 2012 Where: Attending the KIIS FM's Jingle Ball 2012 at Nokia Theatre in Los Angeles, California.
Photo: Getty Images
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November 12, 2012 Where: On the red carpet before the premier of The Twilight Saga: Breaking Dawn - Part 2 , in Los Angeles, California.
Photo: G... more
November 12, 2012 Where: On the red carpet before the premier of The Twilight Saga: Breaking Dawn - Part 2 , in Los Angeles, California.
Photo: Getty Images
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September 15, 2012 Where: On the red carpet before the 2012 Primetime Creative Arts Emmy Awards, in Los Angeles, California. Photo: Getty Images
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November 18, 2012 Where: Hosting Sharpies One Direction Fan Event in New York City.
Photo: Getty Images
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November 10, 2012 Where: Backstage at the Citadel Outlets 11th-Annual Tree Lighting Event at Citadel Outlets, in City of Commerce, California.
P... more
November 10, 2012 Where: Backstage at the Citadel Outlets 11th-Annual Tree Lighting Event at Citadel Outlets, in City of Commerce, California.
Photo: Getty Images
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September 15, 2012 Where: Arriving at Variety's Power of Youth presented by Cartoon Network, in Hollywood, California.
Photo: Getty Images
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April 22, 2012 Where: Attending the 13th-Annual T.J. Martell Foundation Family Day, in New York City.
Photo: Getty Images
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April 2, 2011 Where: Walking the orange carpet at Nickelodeon's 24th Annual Kids' Choice Awards, in Los Angeles, California.
Photo: Getty Images
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March 31, 2012 Where: Arriving at the 2012 Nickelodeon's Kids' Choice Awards, in Los Angeles, California.
Photo: Getty Images
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February 8, 2011 Where: Arriving at the Los Angeles premier of Justin Beiber: Never Say Never, in Los Angeles, California.
Photo: Getty Images
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December 7, 2011 Where: Attending Project Angel Food's 2011 Divine Design Gala in Beverly Hills, California.
Photo: Getty Images
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December 6, 2011 Where: Attending Popstar! Magazine Celebrates Their Break-through Artists of 2012 in Universal City, California.
Photo: Getty I... more
December 6, 2011 Where: Attending Popstar! Magazine Celebrates Their Break-through Artists of 2012 in Universal City, California.
Photo: Getty Images
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December 1, 2011 Where: Attending Wicked opening night in Hollywood, California.
Photo: Getty Images
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October 26, 2011 Where: Attending the Nickeloden TeenNick HALO Awards in Hollywood, California.
Photo: Getty Images
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October 23, 2011 Where: Arriving at Camp Ronald McDonald for Good Times' 19th Annual Halloween Carnival at Universal Studios in Universal City, C... more
October 23, 2011 Where: Arriving at Camp Ronald McDonald for Good Times' 19th Annual Halloween Carnival at Universal Studios in Universal City, California.
Photo: Getty Images
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September 10, 2011 Where: Attending the 2011 Creative Arts Emmy Awards in Los Angeles, California.
Photo: Getty Images
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September 13, 2011 Where: Attending the Malan Breton Spring 2012 fashion show during Mercedes-Benz Fashion Week in New York City.
Photo: Getty I... more
September 13, 2011 Where: Attending the Malan Breton Spring 2012 fashion show during Mercedes-Benz Fashion Week in New York City.
Photo: Getty Images
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August 14, 2011 Where: Arriving at the 2011 VH1 Do Something Awards in Hollywood, California.
Photo: Getty Images
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July 11, 2011 Where: Attending the premier of Harry Potter and the Deathly Hallows: Part 2, in New York City.
Photo: Getty Images
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June 11, 2011 Where: Celebrating Miranda Cosgrove's 18th-birthday party in Hollywood, California.
Photo: Getty Images
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June 4, 2011 Where: Attending Nickelodeon's iParty With Victorious screening in West Hollywood, California.
Photo: Getty Images
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June 24, 2010 Where: Arriving at the premiere of The Twilight Saga: Eclipse during the 2010 Los Angeles Film Festival in Los Angeles, California.... more
June 24, 2010 Where: Arriving at the premiere of The Twilight Saga: Eclipse during the 2010 Los Angeles Film Festival in Los Angeles, California.
Photo: Getty Images
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June 6, 2010 Where: Arriving at the 2010 MTV Movie Awards in Universal City, California.
Photo: Getty Images
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May 27, 2010 Where: Attending the So You Think You Can Dance new-season-premiere viewing party in Los Angeles, California.
Photo: Getty Images
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December 7, 2009 Where: Arriving at the premiere of Paramount Pictures' The Lovely Bones in Hollywood, California.
Photo: Getty Images
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November 28, 2009 Where: Arriving at the Hollywood & Highland Center and One Heartland's "Holiday of Hope" tree-lighting celebratio... more
November 28, 2009 Where: Arriving at the Hollywood & Highland Center and One Heartland's "Holiday of Hope" tree-lighting celebration in Hollywood, California.
Photo: Getty Images
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October 30, 2008 Where: Visiting Planet Hollywood in New York City.
Photo: Getty Images