Brian Zak/Sipa

WHAT SHE WORE A sequined Kaufmanfranco cocktail dress with an oversize cuff, Alexandra Jefford earrings, red clutch and patent pumps

WHERE The Keep a Child Alive Black Ball in New York City

WHY WE LOVE IT Berry played up her narrow waist in a peek-a-boo sheath. Not ready to bare your middle? Get a similar look in a dress with shoulder-revealing cutouts.
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Halle Berry

Halle Berry in Kaufmanfranco