The two walked the red carpet together on Sunday, ahead of their highly anticipated performance.
She also recently performed 'Over You,' the song she wrote with her ex-husband, Blake Shelton.
From John Legend to BTS, here's who will be hitting the stage on Sunday!
ET spoke with the 'CBS This Morning' host ahead of the premiere of 'The Gayle King GRAMMY Special.'
The real-life couple have plenty of on-screen chemistry in their latest video.
The country crooner said there isn't anyone else he'd like to share the stage with.
Ariana Grande, Billie Eilish, Shawn Mendes are just a few of the artists up for awards.
ET is taking a look back at 2019's favorite red-carpet couple moments.
Another season comes to an end and the winner is...
Stefani is having one of those days when you just can’t decide what to wear, when her boyfriend and secret stylist, Shelton sweeps in.
Shelton also shared the 'countriest' quality about his girlfriend.
The country crooner spoke about how his new album came together while on stage at the iHeart Radio Theater in Los Angeles.
