Gwen Stefani Has a Hilarious Idea for Blake Shelton's 'Voice' Retirement Gift (Exclusive)

Gwen Stefani might know Blake Shelton better than anyone -- but even she struggles with gift ideas!

ET caught up with The Voice coach ahead of Monday's live shows, where she revealed her hilarious idea

what to get her hubby to celebrate his upcoming retirement from the NBC singing

The country star recently revealed that season 23 of the show would be his last after

This is crazy 'cause everyone's coming after me for ideas, 'What should we do?' and it's hard

But I think his favorite thing would be a bag of corn, like honestly, he would

For now, however, the No Doubt singer is focused on trying to beat her hubby in season 22, and she thinks

Everybody has different things that they're good at," Stefani said of her team members.