Blake Shelton Tells Ellen DeGeneres That Singing A Duet With Sweetheart Gwen Stefani Made Him 'Kind Of Laugh'! Find Out Why!
But Blake admitted that it's not all serious between the romantic pair!
Just like us, Ellen couldn't help but comment on the intense eye contact between the two during the performance.
But Blake admitted that not even he and Gwen could help but giggle at the intense emotion and serious message of their song — confessing that performing together can sometimes make the singers crack each other up!