Blake Shelton Tells Ellen DeGeneres That Singing A Duet With Sweetheart Gwen Stefani Made Him 'Kind Of Laugh'! Find Out Why!

In case you haven't heard by now, Blake Shelton and Gwen Stefani are seriously in love. But Blake admitted that it's not all serious between the romantic pair! On Monday's Ellen, the country crooner dished on performing their hit duet Go Ahead and Break My Heart live on The Voice and later at the 2016 Billboard Music