Gossip Girls Will Guest Star On 30 Rock

Sweeps Stunts are okay when they’re on 30 Rock: EW reports that Leighton Meester and Blake Lively will guest star in a November sweeps episode, playing Liz Lemon’s classmates in flashback. Fun! But who is going to play the (apparently) mean girl high school version of Liz Lemon? That we want to see.