She was warned when she began modelling that her career would be over by the time she turned 30.
But at 57, Christie Brinkley shows no sign of losing her Uptown Girl appeal.
The mother-of-three proved she still knows how to turn heads yesterday in New York as she showed off moves from her role as Roxie in the Broadway version of musical Chicago.
Uptown Girl: Christie Brinkley puts on a show outside the Good Morning America studio in Times Square, New York, yesterday
Hot shoe shuffle: The model slipped her heel back on in style
Still looking super: The model showed off her form in a tight Herve Leger dress
And in a skintight red Herve Leger dress, the glamorous blonde could have passed for a woman half her age.
Miss Brinkley, who has been married four times, told a New York breakfast television host that her ex-husband Billy Joel, 61, had given her some singing tips before she auditioned for the musical.
‘He helped with my projection,’ she said.
Watch and learn! Christie showed GMA's Elizabeth Vargas a few steps
The star, who has appeared on more than 500 magazine covers, also revealed that dancing in the show had ‘definitely’ improved her figure.
Miss Brinkley was criticised for her dancing in the 1983 video for Joel’s hit Uptown Girl – but insists she has improved since.
Former husband Billy Joel gave the 57-year-old some help with her singing ahead of auditioning for the role as Roxy in the new Broadway version of Chicago