Juan Rico/Fame Pictures

WHAT SHE WORE For August's L.A. premiere of Machete, the actress rocked a Balmain sequined minidress and cutout Louboutin booties.

WHY WE LOVE IT Alba went all out in a fashion-forward number that didn't skimp on sparkle or sex appeal (check out those legs!). She finished the look with black and gold bracelets that brought out the dress's eye-catching zigzag pattern. Click through for more of our favorite sequin dresses from 2010.

CELEBRITY: Jessica Alba

DESIGNER: Balmain

TREND: Booties

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Jessica Alba

Jessica Alba in Balmain

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