Christie Brinkley gives a seductive lesson in how to be fabulous at 57 in a red hot dress

By Daily Mail Reporter
Last updated at 6:02 PM on 6th April 2011

At the age of 57, supermodel Christie Brinkley has landed a role as Roxy in the new Broadway version of Chicago.
And the star gave a sneak preview of a few of her moves outside the Good Morning America studios in New York today.

Uptown Girl: Christie Brinkley puts on a show outside the Good Morning America studio in Times Square, New York, today

Hot shoe shuffle: The model slipped her heel back on in style

The former model, who has been on the cover of over 500 magazines and used to be married to Billy Joel, peeled off her trench coat to reveal a tight red Herve Leger dress.
While her shoe slipped off at one point, she didn't let it interrupt her seductive routine.
During her appearance on the show, presenter Elizabeth Vargas, 48, said: 'You are 57, you look amazing, what are you doing?'

Still looking super: The model showed off her form in a tight Herve Leger dress

Still looking super: The model showed off her form in a tight Herve Leger dress

To which Christie replied: 'Well the dancing has definitely done something to improve my body.'
The National Lampoon's Vacation actress also revealed that her ex-husband Uptown Girl singer Billy Joel, 61, gave her singing tips before the show.
'He helped me with my projection,' she said.

Watch and learn! Christie showed GMA's Elizabeth Vargas a few steps

The UN worker also downplayed the difficulties of bringing up a child when both parents are mega-celebrities: 'It's no harder than it is for anyone else,' she said.
'The only difference is that your dinners are peppered with people coming up and saying nice things.'
Brinkley and Joel's daughter, Alexa Ray, 25, is following in her mother's footsteps by becoming a singer and model.