Adam Levine & Blake Shelton Find Humor On 'The Voice'

Adam Levine & Blake Shelton Find Humor On 'The Voice'

“Maroon 5’s” Adam Levine and country crooner Blake Shelton joke around and share a man hug on the set of “The Voice.” So, who is the most competitive of all the celebrity coaches? Plus, Adam chats about the NBC promo where he took a jab at Ashlee Simpson.