Lionel Richie & Katy Perry
The "Firework" singer, dressed in custom Vivienne Westwood, and the "Stuck on You" star snapped a selfie backstage while attending the award show to support their fellow American Idol judge.
Jimmie Allen & Alexis Gale
The New Artist of the Year winner shared a sweet moment with his wife backstage.
Tyler Hubbard, Hayley Hubbard, Abby Smyers, Dan Smyers, Shay Mooney
This is how they roll. The Florida Georgia Line star and his wife Hayley posed for a picture with the Dan + Shay duo and Dan's wife Abby.
Maren Morris & Ryan Hurd
The couple, who were up in the Musical Event of the Year and Music Video of the Year categories for their hit "Chasing After You," showed some PDA on the red carpet.
Nicole Kidman & Keith Urban
The Oscar winner dazzled in a black YSL dress and LALAoUNIS jewels while supporting her husband. During the evening, the "You'll Think of Me" star took the stage to perform.
Caroline Boyer, Luke Bryan, Dierks Bentley
The "Come a Little Closer" artist shared a laugh with the "One Margarita" musician and the award show host's wife on the red carpet.
Russell Dickerson
We love every little thing about this photo of the singer.
Kelsea Ballerini
The "Peter Pan" star proudly held up her trophies after winning in the Musical Event of the Year and Music Video of the Year categories for her song with Kenny Chesney "half of my hometown."
Luke Bryan & Darius Rucker
Before the big event, Darius, who hosted the event last year, gave Luke some advice. "Have fun!" he told Billboard. "You're going to rehearse your butt off, but go have fun with it because if you don't, it looks like you're not having fun with it." By the looks of this photo, it looks like Luke took Darius' words of wisdom.
Luke Combs & Nicole Hocking
The couple had a beautiful crazy night celebrating Luke's big win.
Thomas Rhett
Thumbs up! The "Unforgettable" artist, who was nominated for Male Vocalist of the Year, was ready for a good night.
Lauren Daigle
Hats off to the "You Say" star and her runway-ready look.
Katie Stevens, Paul DiGiovanni, Maddie & Tae
The Bold Type actress and her musician hubby chatted with the "Fly" duo backstage.
Cade Foehner & Gabby Barrett
This pic of the American Idol alum is one for the scrapbooks.
Ingrid Andress
The New Artist of the Year nominee suited up in style for the big event.