THE SCREENING ROOM: Amber Riley, Lea Michele and Chris Colfer Sing "Defying Gravity" on 100th Episode of Fox's "Glee"
The 100th episode of the hit Fox musical series "Glee" will air March 18 and feature original New Directions members and a guest appearance from Tony Award winner Kristin Chenoweth. Listen to Amber Riley, Lea Michele and Chris Colfer perform the showstopping Act I finale of Wicked, "Defying Gravity," from the episode.