The singer/actor to appear in brand new episode Trio.
Sneak peek video and new song released ahead of the new episode.
The singer returns to the show as a mentor.
The singer and actor tops the readers’ poll.
The singer returns to Glee in an episode due to air in the US tonight.
Check out a new behind-the-scenes video.
Listen to the star’s Lady Gaga cover from Glee now.
The popstar joins Nile Rodgers and Avicii on stage.
The singer has recorded a track for the dance star’s debut album.
The performer is to sing with Queen at iHeartRadio Music Festival.
The former American Idol star to join the hit musical drama.
Melanie B presents the singer with his award.