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Katy Perry, American Music Awards

Larry Busacca/AMA2013/Getty Images for DCP

Jordin Sparks, Lady Gaga, Miley Cyrus and more strutted their stuff on this year's American Music Awards red carpet.

While the American Idol alum was busy showing off her gorgeous gams, Katy Perry rocked a feminine, floral strapless Oscar de la Renta number, giving off Hollywood glam.

Before the show kicks off at the Nokia Theater L.A. Live in Los Angeles tonight, check out the other stars that rocked this year's AMAs!