Meanwhile, Adam Levine is forced to defend his wardrobe stylings in ET's exclusive outtakes.
Only ET has this exclusive look at the behind-the-scenes hijinx from the battle rounds. 'The Voice' airs Mondays and Tuesdays on NBC.
Only ET was behind the scenes with Keys and Mendes, who opened up about the first time they met, and teaming up for the NBC singing competition show.
Blake Shelton's 23-year-old protege is sharing wise words on her new release.
The results are in after the new 'Idol' went head-to-head against 'The Voice' for the first time on Monday.
Two years after it went off the air, 'Idol' is the same show. And that's a good thing.
Monday night held strong for NBC.
The duo also explains to ET why they were both "shocked" the first time they saw Gwen Stefani's house.
Clarkson and Shelton have been friends for 10 years, and it seems their significant others get along too!
The 28-year-old model showed off her gorgeous beach-ready body on Friday.
ET caught up with the newest 'The Voice' judge and her co-star Blake Shelton and she revealed she never received part of her grand prize package after winning the first season in 2002.
The new coach of 'The Voice' recalls what it was like to be a contestant on the first season of 'American Idol.'
On Monday, 'The Voice' returns to NBC with new coach Kelly Clarkson. Meanwhile, the singer's alma mater will make its triumphant return in two weeks.
But could Shelton have the advantage? The country crooner jokes that his Sexiest Man Alive title has given him 'super powers' when it comes to the blind auditions.
