LOS ANGELES, CA - NOVEMBER 20: Taylor Swift and Katy Perry arrive at the 2011 American Music Awards at the Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Jeff Kravitz/AMA2011/FilmMagic)
LOS ANGELES, CA - NOVEMBER 20: Taylor Swift and Katy Perry arrive at the 2011 American Music Awards at the Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Jeff Kravitz/AMA2011/FilmMagic)