Gossip Girl Spinoff Casts Lily's Sister

Gossip Girl Spinoff Casts Lily's Sister The possible spinoff of Gossip Girl has its first cast member: Krysten Ritter. According to The Hollywood Reporter, Ritter will play Carol Rhodes, the "black sheep of the Rhodes family" who takes Lily in when she moves to Los Angeles. The backdoor pilot for the spinoff will air May 11 as an episode of Gossip Girl.