Photo Flash: On the Red Carpet of GLEE's 100th Episode Celebration with Lea Michele, Chris Colfer & More

On last night's landmark episode of Glee titled "100", current and past members of New Directions reunited for one final assignment - to reinvent their favorite performances. In honor of the milestone, series regulars were joined by returning favorites Dianna Agron, Heather Morris, Amber Riley for the episode's celebration. Check out coverage of the GLEE-ked out red carpet below!

Other Glee alums who returned for the special episode, included Gwyneth Paltrow, Kristin Chenoweth, Harry Shum Jr., Heather Morris, Lauren Potter, and Mark Salling.

The 100th episode of Glee focused on McKinley High's latest batch of seniors as they approached graduation and reminisced about their most memorable moments, while singing new versions of these iconic tracks.

Photos by BEImages/Jim Smeal