When most people go to yoga, they usually emerge wearing some workout clothes. Maybe they’re carrying a water bottle or a yoga mat; maybe they’re smiling. Here’s Lady Gaga after yoga in London this Monday, wearing, of all things, a nice green Ferragamo high-waisted skirt, a kind of sweater-cape crop top and some lace-up heels. No sweat. No yoga mat. Not even a teddy bear.