But note that it's not a bikini."My kids would be so embarrassed! "In private I may wear a bikini, but at the public beach with my kids I would change bathing suits because they do not want to be hanging out with some old broad in a bikini."And it's those kids — musician Alexa Ray Joel, 28, college freshman Jack Brinkley-Cook, 18, and up-and-coming model Sailor Brinkley-Cook, 15 — that have helped her maintain a healthy lifestyle, she says, after four divorces, including a nasty, public divorce with architect Peter Cook in 2008."Because I'm an older mom, I have a responsibility to my kids as well as myself," she says.
"I want to be there for them."Brinkley, a vegetarian since she was 13, also chatted with Entertainment Tonight about her life these days.
Foyrth and last she married to an architect Peter Halsey Cook.
She was previously married to Billy Joel, Richard Taubman, Jean-François Allaux and Peter Cook.Brinkley and Cook’s 12-year marriage ended in a bitter divorce in 2008 (following his affair with an 18-year-old assistant) and a lengthy custody battle.Two days later Brinkley accompanied the nicotine-fueled rocker to a taping of , where he performed "Night Life" with Willie Nelson. Brinkley is an exercise fiend who has been a vegetarian since her early teens.Mellencamp has a four-pack-a-day habit that a 1994 heart attack did nothing to curb.The relationship has apparently advanced from minutes to memories in swift fashion.
Mellencamp and Brinkley were first spotted together on September 14 dining at the Bowery Hotel in New York City, although Gotham’s notoriously breathless tabloids failed to note whether or not canoodling took place.“I figure, my body is so polluted now that nothing [harmful] can live in there,” he told fellow Hoosier and former host David Letterman while smoking a cigarette last spring.“Cancer can go in there and go, 'I'm not going in there!Christie Brinkley is reportedly romancing David Foster.The 62-year-old model has been married four times – to François Allaux, Billy Joel, Richard Taubman and Peter Cook – and is now reportedly charming the 67-year-old musician as the pair were recently spotted on date at Ralph Lauren’s Polo Bar in New York City, where former US Secretary of State Hillary Clinton was also dining.“They vowed to remain best of friends.”Mellencamp, 64, is currently gearing up for a new leg of his Plain Spoken tour — which continues in Bristow, Virginia, on September 17 — while Brinkley, 62, has been busy in recent months promoting Bellissima, her new prosecco.