Mark Savage/startraksphoto.com

WHAT SHE WORE Jessica Chastain readied for the Academy Awards at The Hollywood Reporter's pre-Oscars event in a powder blue Vivienne Westwood cocktail dress and satin Casadei sandals.

WHY WE LOVE IT The actress looked cool and refreshing in a flowing water-inspired design.

CELEBRITY: Jessica Chastain

DESIGNER: Casadei

TREND: Blue

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Jessica Chastain

Jessica Chastain in Vivienne Westwood

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