Leighton Meester's Happy Feet

Gossip Girl‘s Leighton Meester signs autographs as she leaves Late Night with Conan O’Brien at NBC Studios in New York on Wednesday.

In Leighton‘s interview with Conan, she said one of her nicknames was “Happy Feet” because of her love for dancing.

Check out the video of Leighton showing Conan her signature dance move!

Leighton came in at #48 on Maxim‘s Hot 100 List.