Jun Sato/WireImage

WHAT SHE WORE The British actress vamped it up at an Osaka Transformers Dark of the Moon press event in a backless Marios Schwab cocktail dress and black Louboutins.

WHY WE LOVE IT Huntington-Whiteley looked fierce enough to battle her onscreen nemeses in a tough-girl leather design.
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Rosie Huntington-Whiteley

Rosie Huntington-Whiteley in Marios Schwab