We love seeing what the stars pull out for the red carpet but sometimes it's their stage outfits that really catch our eye, and it was no exception at yesterday's 2010 American Music Awards. Katy Perry went from a pretty pink Badgley Mischka dress to a much more daring red bodysuit and Rihanna changed into a teeny tiny tribal ensemble from her lady-like, sheer Elie Saab gown. Taylor Swift bucked the trend and went the other way, switching her spangled Collette Dinnigan shift for a subdued black suit for her stage performance. Click through to see whose on-stage outfits upstaged their red carpet looks at the 2010 AMAs.
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