Greatest Hits: Watch Ariana Grande's Whitney Houston Tribute, Plus 10 Other Season Finale Performances

Greatest Hits Finale Videos

ABC pulled out the big guns for Greatest Hits‘ live (!) two-hour (!!) season finale, beginning with a tribute to one of the greatest voices of all-time.

Scroll down to watch all of the evening’s performances, save for a few that weren’t blessed to us by Twitter:

* Ariana Grande kicked off Thursday’s broadcast with a high-energy performance of two Whitney Houston classics, “How Will I Know?” (1985) and “Queen of the Night” (1993):

* Next, American Idol runner-up Adam Lambert renewed the audience’s “Faith” in George Michael’s 1987 pop hit:

* Five members of New Edition followed this up by dusting off their dancing shoes for a medley of the group’s greatest hits:

* Co-host Kelsea Ballerini then joined Sheryl Crow for a duet of her 1994 jam “All I Wanna Do”:

* Next, En Vogue reminded the audience that — as far as the group’s collective lovin’ is concerned — we’re “Never Gonna Get It.” (Video will be added when it becomes available.)

* The second half of the finale began with an emotional performance of “My Heart Will Go On,” which Celine Dion dedicated to her late husband:

* This was followed by a well-intended Run-D.M.C. tribute, courtesy of Flo Rida:

* Changing the pace up a bit, Richard Marx took the stage next, performing his 1987 hit “Don’t Mean Nothing”:

* The audience was then pulled “Down Under,” courtesy of Men at Work frontman Colin Hay:

* And John Legend was on hand for a dual performance of Lauryn Hill’s “That Thing” and “Ex-Factor.” (Video will be added when it becomes available.)

* The finale’s penultimate performance was an unexpected duet of “All Star” with Smashmouth and… country star Hunter Hayes?

* Dion aside, I would argue that Greatest Hits saved its biggest hit for last. Ladies and gentlemen, Nelly’s “Hot in Herre”:

Which Greatest Hits finale performance was your favorite? Drop your pick(s) in a comment below.

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