VIDEO: GIGI's Vanessa Hudgens Re-Enacts 'High School Musical' on Bravo!

GIGI star Vanessa Hudgens stopped by last night's WATCH WHAT HAPPENS LIVE on Bravo and joined host Andy Cohen and fellow guest Kellan Lutz in Clubhouse Playhouse's re-enactment of 'High School Musical 2." (Andy plays Zac Efron's role while Kellan makes a great Sharpay!)

Later, Hudgens talked about the Met Gala and how she may or may not have helped friend Selena Gomez avoid ex-boyfriend Justin Bieber. And the actress discussed acting in her first sex scene, a threesome, with actor James Franco in "Spring Breakers." Watch all the clips below!

The new Broadway production of Gigi, Alan Jay Lerner and Frederick Loewe's beloved Oscar and Tony Award-winning musical comedy, opened April 8 at the Neil SimonTheatre (250 West 52nd Street).

Gigi stars Vanessa Hudgens, who makes her Broadway debut in the title role, Tony Award-winnerVictoria Clark (The Light in the Piazza, Sister Act, Rodgers + Hammerstein's Cinderella) as Mamita,Corey Cott (Newsies) as Gaston Lachaille, three-time Tony Award-nominee Dee Hoty (The Will Rogers Follies, The Best Little Whorehouse Goes Public, Footloose) as Aunt Alicia, two-time Tony Award-nominee Howard McGillin (The Mystery of Edwin Drood, Anything Goes) as Honoré Lachaille and Steffanie Leigh (Mary Poppins) as Liane d'Exelmans.

Gigi, with book and lyrics by Alan Jay Lerner and music by Frederick Loewe, features a new book adaptation by Heidi Thomas (BBC/PBS's "Call the Midwife") and is choreographed by Emmy Award-winner Joshua Bergasse (On the Town, "Smash") and directed by Eric Schaeffer (Follies, Million Dollar Quartet).

About Watch What Happens Live

'Watch What Happens: Live' is Bravo's late-night, interactive talk show that features guests from the world of entertainment, politics, and pop culture. Hosted by Andy Cohen, the series includes lively debates on everything from fashion, the latest on everyone's favorite Bravolebrities, and what celebrity is making headlines that week. The show airs Sun-Thu 11/10c

Photo credit: Charles Sykes/Bravo