Leighton Meester And Blake Lively Crash 30 Rock

Gossip Girl stars Leighton Meester and Blake Lively have closed a deal to guest-star in a November sweeps episode of NBC’s 30 Rock says Michael Ausiello. They will play former high school classmates of Liz Lemon’s in a flashback sequence that reveals a shocking and deeply ironic truth about Liz: She was a mean girl. The flashback coincides with Liz’s 20-year high school reunion, which means we’re also going to meet the adult versions of Meester and Lively’s characters. 30 Rock executivess are talking to Blake’s older sis, Robyn Lively, about playing the latter part.