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Selena Gomez looked grown-up and gorgeous at the 69th Annual Venice Film Festival premiere of "Spring Breakers" on September 5, 2012. The 20-year-old former Disney star wore a stunning strapless Versace Atelier gown and Sergio Rossi heels. A Judith Leiber clutch and Lorraine Schwartz jewelry completed the look. She admitted that the movie, about a wild spring break, would shock her fans. "People do put a label on you. I know that I have younger fans, and this is an opportunity for myself to kind of grow. It is a little shocking, I think, for the younger audiences. ... but I think it was right for me."

Selena Gomez's gorgeous gown

At the premiere of her wild new spring break movie, the teen star chooses an all grown-up look at the 69th Annual Venice Film Festival.