Hilary Duff: Vote For GLSEN!

Dressed as a flapper girl, Hilary Duff chats on her cell phone while walking to the set of Gossip Girl on Wednesday (September 2) at NYC’s hotpot The Gates. Gossip regulars Leighton Meester, Ed Westwick, Penn Badgley and Blake Lively were also present.

Hilary is supporting the Gay, Lesbian and Straight Education Network (GLSEN), which focuses on ensuring safe schools for all students. She wants you to vote for GLSEN, which has been nominated for a MySpace Impact Award (a $10,000 prize). Vote at Myspace.com!

20+ pictures inside of flapper girl Hilary Duff…