Watch Vanessa Hudgens and 'Grease: Live!' Cast Rehearsing 'Grease Is the Word': Exclusive Video

Courtesy Photo
Vanessa Hudgens and Keke Palmer rehearsing for Grease: Live. 

Grease really is the word -- especially in this week leading up to the premiere of Grease: Live!, which airs Sunday, Jan. 31 on Fox. 

And Billboard has exclusive behind-the-scenes footage of the show's rehearsals, which are high stakes considering that the production, unlike other recently televised live musicals, will be performed in front of a studio audience -- not to mention the entire world, of course.

Hear Jessie J's Full Version of 'Grease Is the Word' for Fox's New In-Studio Video

Check out this exclusive behind-the-music video featuring cast members Julianne Hough, Jesse J, Aaron Tveit, Vanessa Hudgens, Carly Rae Jepsen, Keke Palmer and more rehearsing songs like the classic number "Grease Is the Word." 

Watch the exclusive video below:

In the video, music supervisor Tom Kitt explains how the production will incorporate aspects of the original Broadway show and the 1978 film, along with brand-new material.

Boyz II Men Will Perform 'Beauty School Dropout' in 'Grease: Live!'

"I'm just a fanboy like everybody," he admits. "To get to work with Jesse J, Boyz II Men, DNCE...it never gets old."

As previously reported, Jesse J performs "Grease Is the Word" in the beginning of Grease: Live!, while Boyz II Men will be splitting the guardian angel role first immortalized by Frankie Avalon when he sang "Beauty School Dropout" in the original movie (Jepsen will play said dropout Frenchy). And DNCE is the band who plays at Rydell High's school dance.