Sneak Peek! Usher Guest Stars on ‘Ellen’s Game of Games’

Usher is guest starring on “Ellen’s Game of Games” tonight, and “Extra” has a sneak peek!

The pressure is on as contestants try to sing in front of Ellen, Stephen "tWitch" Boss and Usher in a round of “Knockin’ Boots.” Watch as one contestant goes for a Mariah Carey tune and another attempts a T.I. song.

“Ellen’s Game of Games” airs Tuesdays at 8 p.m. on NBC.

More in Television