No one man can fill Frankie Avalon's shoes. But three Boyz II Men apparently can.

The '90s R&B group has joined the cast of Fox's Grease: Live as the Teen Angels who serenade French (Carly Rae Jepsen) with "Beauty School Dropout."

Watch the Grease: Liver cast show off their hand jive

The cast of the upcoming musical also includes Julianne Hough as Sandy, Aaron Tveit as Danny, Vanessa Hudgens as Rizzo,Carlos PenaVega as Kenickie, Keke Palmer as Marty, Kether Donohue as Jan, David Del Rio as Putzie, Jordan Fisher as Doody, Andrew Call as Sonny and Ana Gasteyer as Principal McGee.

Check out a preview of Boyz II Men's sweet, sweet Grease harmonies in the announcement video below.

Grease Live airs Sunday, Jan. 31 at 7/6c on Fox.