Morgan also brought out HARDY, Bailey Zimmerman, ERNEST and Eric Church during his Sunday headline set.
The much-loved track has become the Georgia singer-songwriter's first official No. 1 at UK Country Radio.
Luke Combs performed at the 12th annual Mack, Jack & McConaughey Gala, a fundraising showcase benefitting several children's organizations.
The pair were recently spotted filming together in Joshua Tree, California just ahead of Wallen's headlining Stagecoach performance.
The artist brought in a full choir for his hour and a half-long cover-filled set, a performance that has polarized many fans.
The pair performed a cover of The Righteous Brothers hit, 'Unchained Melody,' during the festival's opening night.
