Before sweeping the ceremony with five wins, Adele opened the show with "Hello."
The musician kicked off his set with a snippet of his hit single "Starboy."
The musical duo joined The Weeknd to perform "I Feel It Coming."
"The Fighter" never sounded so fierce.
Though he recently released two singles simultaneously, Sheeran chose to sing "Shape of You" instead of "Castle on the Hill."
The musicians took turns singing Ballerini's "Peter Pan" and Graham's "7 Years."
Queen Bey—who walked away with two awards—did a medley of "Love Drought" and "Sandcastles."
For his first performance of the night, Mars sang "That's What I Like" off his album 24K Magic.
Katy Perry's "Teenage Dream" got a Southern twist, courtesy of the country quartet.
Perry made a political statement when she premiered her new single "Chained to the Rhythm."
"Born Under a Bad Sign" never sounded so good.
The R&B singer and the country crooner teamed up for "Once."
Thanks to a technical glitch, "Fastlove" went wrong fast, so Adele restarted her tribute to George Michael.
Similar to Adele, the musicians suffered technical issues as they rocked out to "Moth Into Flame."
Backed by The Dap-King, Simpson sang "All Around You."
The pop star kicked off the Bee Gees tribute with "Stayin' Alive."
Strapped with a guitar, Kelly brought down the house with "Tragedy."
Day's powerhouse vocals added new layers to the Bee Gee's "Night Fever."
To cap off the Bee Gees tribute, the musicians performed "Stayin' Alive" as a unit.
A Tribe Called Quest brought out Anderson .Paak, Busta Rhymes and Consequence.
The group ran through "Award Tour," "Movin Backwards" and "We the People..."
Backed by The Time, Mars sang Prince's "Jungle Love," "The Bird" and "Let's Go Crazy."
The a capella group put their own spin on The Jackson 5's "ABC."
With Kirk Franklin, Francis and the Lights and Tamela Mann by his side, the rapper performed "How Great" and "All We Got."