Gossip Girl star Chace Crawford is returning to TV after signing on to appear in the 100th episode of hit comedy musical Glee.
The 28-year-old actor will romance actress Dianna Agron's cheerleader character Quinn Fabray on the upcoming anniversary show, which will air in two parts, according to series star Matthew Morrison.
Speaking to E Online, Morrison said: "I think he's going to be Dianna Agron's new love interest. His name is Biff. He's kind of a . . . degenerate."
The 100th anniversary episodes will air in the US on March 14.