Leighton Meester Confesses The BIG Mistake She Made As A Teen

Leighton Meester wowed audiences as the queen of high school mean in the CW hit Gossip Girl, but the 31-year-old actress confesses that she has some teenage regrets of her own. The new mom visited Late Night With Seth Meyers to promote her upcoming television show Making History, and revealed one thing she would change if she could go back in time.