Guess The Bodacious Babe Sippin' A Margarita!

Can you guess which Hollywood hottie put her curves on full display in this eye-popping pic?! Here are your clues:

She grew her following through fashion, lifestyle, and sexy snaps like this one ... "Smoky Knights" and "The Memory Thief" are a couple of her notable films, but you may know her best as Vanessa's younger sis ...

Check out the gallery for the reveal and then hit up the game below: