The country singer also gushed about how Stefani inspired his hit album, 'If I'm Honest.'
The 'Little Red Wagon' singer's boutique has a surprising new owner!
The star also rocked the stage at the Austin, Texas, event.
The singer showed off her bangin' bod in an all-black ensemble.
The singer and her boyfriend sang alongside Stapleton and his wife.
The couple showed some musical PDA at the Chris Stapleton concert on Wednesday night.
ET is breaking down our favorite (and least favorite) red carpet looks!
The absolute best -- and the worst -- fashion from the ACMs & the iHeartRadio Music Awards.
Check out the 9 best dressed stars at both the ACMs and iHeartRadio Music Awards on Sunday.
The singer told ET backstage at the ACM Awards that time in Nashville is getting her creativity flowing.
The country star won big Sunday night and brought the audience to their feet during her performance of 'Tush.'
The country star opened up to ET backstage at Sunday's Academy of Country Music Awards.
The country superstar went futuristic for her amazing ACMs performance, and opened up to ET about how her son is adapting to life on the road.
Give it up for the seven-time ACM Awards' Female Vocalist of the Year!
