Cee Lo Green, Christina Aguilera, Adam Levine + Blake Shelton Go ‘Crazy’ on ‘The Voice’ Premiere

NBC's new singing competition 'The Voice' will premiere with a bang, as celebrity coaches Cee Lo Green, Christina Aguilera, Maroon 5 frontman Adam Levine and country crooner Blake Shelton share the stage for an incredible performance of Gnarls Barkley's 'Crazy.'

In a sneak-peak video posted on NBC.com, the aforementioned artists can be seen trading verses on 'Crazy' in front of a live audience. Adam sings the first lines from behind the drum kit and is followed by Shelton. The entire foursome belts out the chorus before Christina and Cee-Lo show off their powerful pipes on the second verse.

NBC has also posted an extended 12-minute preview of 'The Voice' that features host Carson Daly introducing the coaches and explaining the rules of the competition. The premiere episode of 'The Voice' airs Tuesday, April 26.

Watch the Coaches of 'The Voice' Perform 'Crazy'