Instagram: New Shots of Aaron Tveit, Julianne Hough and GREASE LIVE Cast in Rehearsal

Go behind the scenes with the cast of FOX's GREASE: LIVE! More than one cast member from the production recently posted backstage photos -- featuring Aaron Tveit, Julianne Hough and more -- on Instagram, and you can check them out below!

Julianne Hough ("Safe Haven," "Rock of Ages"), Vanessa Hudgens (GIGI, "High School Musical," "Spring Breakers") and Aaron Tveit (NEXT TO NORMAL, CATCH ME IF YOU CAN) will star in GREASE: LIVE, airing live on FOX next month. With Hough as the angelic "Sandy" - Rydell High's most talked-about newcomer, Hudgens as iconic bad girl "Rizzo," and Tveit as Danny Zuko, this first-ever live television production of GREASE will re-imagine the hit crossover musical for an entirely new generation.

Additionally, Carlos PenaVega ("Big Time Rush") will play "Kenickie," Zuko's tough-guy sidekick and Keke Palmer (Broadway's CINDERELLA, SCREAM QUEENS, "Masters of Sex") as "Marty."

Airing LIVE Sunday, Jan. 31, 2016 (7:00-10:00 PM ET live/PT tape-delayed) on FOX, GREASE: LIVE (wt) will be executive-produced by acclaimed film, television and theater producer Marc Platt. GREASE: LIVE (wt) is based on the original musical "Grease" by Jim Jacobs and Warren Casey, and Paramount Pictures' 1978 feature adaptation. It will be a Paramount Television production.