Selena Gomez looked all grown up while posing for pictures before making an appearance on "The Late Show With David Letterman" on Tuesday. With up swept hair, a black pencil skirt, strapless corset-shaped blouse and peep-toe shoes, the Disney star is celebrating her 18th birthday on July 22 - Today!

She recently confirmed she will quit her role on "Wizards of Waverly Place" when the hit series' fourth season ends. She explained, "I'm gonna do a movie for my show, which I'll be excited to end it with, and then a tour."

Selena has been out promoting her new film "Ramona and Beezus."

 

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