Watch: Ariana Grande teams up with the Roots to perform ‘Imagine’ on ‘Fallon’
YouTube / The Tonight Show Starring Jimmy Fallon

Ariana Grande took to The Tonight Show Starring Jimmy Fallon to put-on her debut television performance of her new single, “Imagine.” The Roots joined Grande for her live performance of "Imagine," which impressively included the "Thank U, Next" singer-songwriter recreating the whistle tones from her latest single in a live environment. Watch the performance of "Imagine" above.

Shortly after the performance, Grande took to Twitter to exclaim her excitement over The Tonight Show appearance. “love u @jimmyfallon @FallonTonight every time is always the best time of my life miss u already and thank u so so much,” Grande said and continued, “also, i love u sm @theroots.”

Her performance of “Imagine” was not Grande’s only appearance on The Tonight Show that evening. In conjunction with her individual musical appearance, Grande “lent some star power to an unexpected Saturday Night Live reunion between Fallon, Horatio Sanz, Tracy Morgan and Chris Kattan,” according to Rolling Stone. The brief Saturday Night Live reunion included the former cast members performing “I Wish It Was a Christmas Today.” with the former cast members performing “I Wish It Was Christmas Today.” Traditionally, this was a Saturday Night Live holiday staple, occurring throughout the early 2000s. The Saturday Night Live reunion on The Tonight Show can be viewed here.