Leighton Meester: amfAR New York Gala 2012

Leighton Meester flashes a smile at the 2012 amfAR New York Gala held at Cipriani Wall Street on Wednesday (February 8) in New York City.

The 25-year-old actress stepped out in head to toe Louis Vuitton for the soiree.

PHOTOS: Check out the latest pics of Leighton Meester

Earlier in the week, Leighton got to work on Gossip Girl with co-star Penn Badgley on the steps at the Metropolitan Museum of Art.

Leighton donned a pink ball gown and tiara while filming a kissing scene with Penn!

10+ pictures inside of Leighton Meester at the amfAR New York Gala..