POPSUGAR Celebrity Leighton Meester Slide Photo of Leighton Meester Attending the 2009 Library Lion Benefit in NYC Flower Power by Celebrity 11/03/09 0 Shares Like us on Facebook Leighton Meester attended a benefit at the New York Public Library Monday night in NYC. Source: Film Magic Read More Leighton MeesterHot Leighton Meester Leighton Meester Shows Off Her Baby Bump! Leighton Meester's Expecting! Plus 8 More Celebrities Who Are Pregnant Right Now The Very Best Celebrity Engagement Rings 40+ Gossip Girl Hair Moments That Made You Jealous Get the scoop with our daily newsletter Movies Young Hollywood A-Listers TV Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR. 5 years I like that dress. It's different and pretty. 5 years Great dress. Rux 5 years I agree. Rux 5 years I agree. lexichloe 5 years She's so pretty!! lexichloe 5 years She's so pretty!!