Matteo Prandoni/BFAnyc/Sipa USA

WHAT SHE WORE Alexa Chung attended an N.Y.C. Opening Ceremony launch in a one-piece and patent flats.

WHY WE LOVE IT Who knew a romper could work for evening? The style star chose a skin-baring design that played up her ultra-long legs.

CELEBRITY: Alexa Chung

TREND: Black

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Alexa Chung

Alexa Chung showed off her long legs in an ultra-short romper