Many supermodels are pregnant right now, including Gisele, Adriana Lima, Jourdan Dunn, and Karolina Kurkova. Karolina has a theory about this sudden spike in baby bumps, and unlike many theories these days, hers has nothing to do with the economy. “You know, it’s probably the new thing to be pregnant. It’s not to have the Chanel python bag. It’s to be pregnant,” she said. Oh, and here we thought pregnancy was as old as time. [AP]