Frazer Harrison/AMA2011/Getty Images for AMA

WHAT SHE WORE Selena Gomez slipped into a satin Giorgio Armani gown and added silver accessories including Jimmy Choo sandals and Candy Ice earrings for the American Music Awards.

WHY WE LOVE IT From the thigh-high slit to the low-cut back, the singer worked every angle of her sophisticated design.
18 of 38

Selena Gomez

Selena Gomez in Armani