Mariah Carey Gives Will Ferrell a Touch-Up Backstage

Mariah Carey shimmers in a silver dress while stepping out at her #1 to Infinity Residency Wrap Event held 1 Oak Nightclub inside The Mirage on Saturday night (February 20) in Las Vegas.

That same night, the 45-year-old entertain shared a cute backstage photo with Will Ferrell.

PHOTOS: Check out the latest pics of Mariah Carey

“MC #beautyschooldropout gives #willferrell a touch up,” she captioned the Instagram photo, which you can check out below.

35+ pictures inside of Mariah Carey at the Las Vegas event…