Mariah first appeared on The Tonight Show on November 20, 1990 to perform her songs “Vision Of Love” and “Love Takes Time” with then-guest host Jay Leno.
Mariah was the musical guest on the November 22, 1993 episode of The Tonight Show, she sat down with Jay Leno and performed “Hero.”
Mariah appeared on The Tonight Show on December 9, 1998, to promote her #1's compilation and performed “I Still Believe.”
Mariah performed “We Belong Together” on The Tonight Show on May 11, 2005.
Mariah sat down with Jay Leno on the June 19, 2006, episode of The Tonight Show.
Jimmy Fallon took over as The Tonight Show host on February 17, 2014. He explained that one of his friends bet him $100 that he wouldn't be the show's new host. Many celebrities, including Mariah, stopped by to pay up their debt.
Mariah was the musical guest on the November 16, 2018, episode of The Tonight Show. She performed “The Distance” with Ty Dolla $ign and also taped a performance of “Vision Of Love” which was available on YouTube.
Mariah appeared via satellite on The Tonight Show on December 7, 2020, to talk about her memoir, The Meaning Of Mariah Carey; and her Apple TV+ special Mariah Carey's Magical Christmas Special.
Mariah's sat down with Jimmy Fallon on the November 4, 2022, episode of the Tonight Show, to talk about her new book, The Christmas Princess. She also taped a sketch where she helps Jimmy escape Santa Claus' naughty list by gifting him a copy of her children's book.
In 2025, Mariah promoted her new album, Here For It All on The Tonight Show, when she performed “Play This Song” with Anderson .Paak and sat down with Jimmy Fallon to discuss her latest project. She also partnered with Tariq Trotter from The Roots agains Jimmy Fallon and Bozoma Saint John in a game where they take turns holding up celebrity masks and guessing who they are before time runs out.
