Neil Rasmus/BFAnyc/Sipa USA

WHAT SHE WORE Olivia Wilde made an appearance at the Calvin Klein runway show in a periwinkle cocktail dress from the label and ankle-strap heels.

WHY WE LOVE IT The actress created a stunning illusion with her pastel overlay.

CELEBRITY: Olivia Wilde

DESIGNER: Calvin Klein

TREND: Belts

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Olivia Wilde

Olivia Wilde brightened up the front row in Calvin Klein Collection