The hour-long chat show also features comedian Kevin James and Dan White.
"The Tonight Show" airs in the New York metropolitan area on NBC, Channel 4, beginning at 11:35 AM ET; check local listings.
With book and lyrics by Alan Jay Lerner and music by Frederick Loewe, this production of the Oscar and Tony Award-winning film and stage musical Gigi features a new book adaptation by Emmy-nominated screenwriter Heidi Thomas ("Upstairs Downstairs," "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).
Gigi plays the Neil Simon Theatre, which is located at 250 West 52nd Street.