Christie Brinkley set for her Broadway debut

20 Mar 2011NEW YORK, NY - MARCH 20: Model Christie Brinkley attends the Broadway opening night of 'Priscilla Queen of the Desert The Musical' at the Palace Theatre on March 20, 2011 in New York City. (Photo by... Read moreBy: Jemal CountessCollection: Getty Images EntertainmentPeople: Christie Brinkley
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Model Christie Brinkley attends the Broadway opening of "Priscilla Queen of the Desert The Musical" on March 20, 2011, in New York.
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(CBS) Former supermodel Christie Brinkley got some practice for her Broadway debut with a TV interview on Thursday morning and the 57-year-old blonde left audiences stunned by her dance moves.

Brinkley opens Friday as Roxie Hart in Broadway's long-running production of "Chicago." Gwen Verdon originated the role on Broadway in the 1970s and Renee Zellweger took it on in the 2002 hit movie that also starred Richard Gere and Catherine Zeta-Jones.

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Since the Broadway revival opened in 1996, Roxie Hart has been played by Brooke Shields, Ashlee Simpson and Michelle Williams (of Destiny's Child), among others.

Brinkley, who was once married to singer-songwriter Billy Joel gave a brief preview of her performance on "Good Morning America" Thursday morning. The model, who has been married four times, is the mother of singer Alexa Ray Joel and Jack and Sailor Cook.