Michael Simon/startraksphoto.com

WHAT SHE WORE Blake Lively attended a Gucci press event in a belted dress and cap-toe heels.

WHY WE LOVE IT Plaid's never looked sexier than it did on this plunging style.

CELEBRITY: Blake Lively

TREND: Belts

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Blake Lively

Blake Lively looked stylish in plaid