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Boyz II Men

Ethan Miller/BET/Getty Images

"Beauty School Dropout" has never sounded so harmonious.

Grease Live has finally found its Teen Angel—make that Teen Angels—with the surprise casting of Boyz II Freakin' Men.

That's right, lovers of smooth '90s R&B, the silky vocalists who've had you getting down to "Motownphilly" all these years are stepping into Frankie Avalon's shoes and sing sad Frenchy (Carly Rae Jepsen) back into good spirits with the live musical event airs on Fox on Jan. 31. The Boyz gave us a preview of their sweet harmonies with a video announcing their involvement on their Twitter page.

Boyz II Men—comprised of Shawn Stockman, Nathan Morris, and Wanya Morris—and Jepsen will appear alongside Julianne Hough as innocent new girl Sandy and Aaron Tveit as her summer love Danny. The rest of the supporting cast is rounded out by Keke Palmer as Marty, Vanessa Hudgens as Rizzo, Carlos PenaVega as Kenickie, Kether Donohue as Jan, David Del Rio as Putzie, Jordan Fisher as Doody, Andrew Call as Sonny, and Ana Gasteyer as Principal McGee. Jessie J is also stopping by for a cameo with a performance of a new version of "Grease (Is the Word)" to kick off the show.

What do you think about Boyz II Men as Grease Live's Teen Angels? Sound off in the comments below.

Grease Live airs Sunday, Jan. 31 at 7 p.m. on Fox.