Glitz, glamour and designer gowns! See what Taylor Swift, Katy Perry, Christina Aguilera, and other stars -- from music and Hollywood -- wore on the red carpet at the 2013 American Music Awards on Sunday, Nov. 24.
Lady Gaga arrived Sunday on a mechanical horse steered by two men. She wore a purple body con dress by Versace -- the fashion house for which the "Applause" singer was named its new brand ambassador.
Credit: Larry Busacca/AMA2013/Getty Images