The theme park is kicking off its 60th birthday celebration today.
Mariah Carey was a vision herself in a fuchsia-colored, deep V-neck dress while performing a medley of "Vision of Love" and biting Nick Cannon dis track "Infinity" on Main Street, U.S.A. at Disneyland in Anaheim, Calif.
Carey‘s new compilation album, #1 to Infinity, is out now.