Leighton Meester is a Guitar Hero

Leighton Meester, aka Blair Waldorf, attends The Belvedere Luxury Lounge in honor of the 80th Academy Awards featuring True Religion Brand Jeans, held at the Four Seasons Hotel on Saturday in Beverly Hills, Calif.

The 21-year-old Gossip Girl star rocked out to a game of Rock Band for the Nintendo Wii. The event was also in support of Working Wardrobes, a non-profit organization based in Orange County, assisting survivors of domestic violence and men and women in crisis to self-sufficiency.

10+ pictures inside of guitar hero Leighton Meester…