All eyes onJustin Guarini!
PEOPLE has the exclusive debut of rehearsal footage from the show that features Guarini and the musical’s company performing “Circus,” Spears' 2008 hit.
Guarini plays Prince Charming in the musical, which follows beloved storybook characters as Cinderella, Snow White, Rapunzel, Sleeping Beauty, Little Mermaid and Princess Pea as they set off to claim their own happily ever afters after a rogue Fairy Godmother dropsThe Feminine Mystiquein their laps. “Circus” serves as Prince Charming’s grand entrance at the royal ball.
Justin Guarini.Emilio Madrid

Spears, 42, have given the show her blessing. “I’m so excited to have a musical with my songs — especially one that takes place in such a magical world filled with characters that I grew up on, who I love and adore,” the Princess of Pop previously said in a statement about the show. “This is a dream come true for me!”
Aside from Guarini,Once Upon a One More Timewill also starGreat News' Briga Heelan as Cinderella, and Aisha Jackson as Snow White, reprising the roles they originated in D.C.
Justin Guarini in ‘Once Upon a One More Time’.Matthew Murphy

Joining the cast for Broadway is two-time Tony nominee Jennifer Simard (Company,Mean Girls) as Stepmother, two-time Tony nominee Adam Godley (The Lehman Trilogy) as The Narrator, comedienne Brooke Dillman (The Wayne Brady Show) as The Original Fairy Godmother, Ryann Redmond as Stepsister Belinda and Tess Soltau (The Good Fight) as Stepsister Betany, plus Gabrielle Beckford as Rapunzel, Ashley Chiu as Sleeping Beauty, Nathan Levy as Clumsy, Ryan Steele as Prince Erudite, Morgan Whitleyas Princess Pea and Lauren Zakrin as Little Mermaid.
Liv Battista (Belle), Pauline Casiño (Esmeralda), Selene Haro (Gretel), Joshua Daniel Johnson (Brince Brawny), Amy Hillner Larsen (Goldilocks), Justice Moore (Red), Kevin Trinio Perdido (Prince Mischievous) and Mikey Ruiz (Prince Gregarious).
Rounding out the cast are Matt Allen, Jacob Burns, Salisha Thomas, Josh Tolle as Prince Suave, Diana Vaden, Mila Weir,Stephen Scott Wormley and Isabella Yeas.
The rest of the musical’s creative team featuresTony Award-nominated scenic designer Anna Fleischle (Hangmen,Everybody’s Talking About Jamie), costume and hair designer Loren Elstein (Rosencrantz and Guildenstern Are Dead), Tony-winning lighting designer Kenneth Posner (Wicked, Beetlejuice), sound designer Andrew Keister (KPOP, On Your Feet!), and projection designer Sven Ortel (Newsies).
David Leveaux (Nine,Romeo and Julieton Broadway, NBC’sJesus Christ Superstar Live) is serving as a creative consultant on the project.
Tickets for the musicalare available now.
source: people.com