 Taylor Swift and other A-list veterans have tried to dominate the pop landscape this year, and by some measures they have. But despite the overcrowded field of major pop releases, some new baby pop girls have been bubbling to the top. This week, Sabrina Carpenter scored her first number one hit with the song Please, Please, Please. But before a girl gets a number one hit, she has to start somewhere. Where was Sabrina Carpenter first discovered?