Young mistress of Christie Brinkley’s husband had affair with Diddy

After tearful testimony in which she described the moment she learned of her husband’s affair with a teenager, which she said “completely shattered” her world, Christie Brinkley told press waiting outside the courtroom that she wanted to send a message to the young woman her husband seduced. Diana Bianchi, now 21, was just 17 when Brinkley’s estranged husband Peter Cook, now 49, met her. He hired her to work in his architecture firm and once she was legal he pounced. Brinkley said she wanted to let Bianchi know she forgives her.

“I’d just like to say after two days of testimony that I can’t help but think about Diana Bianchi, and I want her and her family to know that I feel really badly for them,” said Brinkley. “I feel bad for her and I forgive her completely.”

“She was manipulated.”


Wednesday Bianchi gave a tentative account on the stand of her affair with Cook. Cook gave Bianchi gifts of lingerie and cash, later paying her $300,000 not to reveal their affair to his wife. After her testimony, Cook approached Brinkley’s daughter with her ex husband, 20 year-old Alexa Joel, and reportedly said “I’m sorry for the pain I have caused you and your family.” The two then hugged.

According to the latest edition of the National Enquirer, aspiring singer Bianchi has been through a lot in the two years since ending her affair with a man nearly 30 years older. A friend claims Bianchi contemplated suicide and that she had issues with sexual addiction. She is also said to have dated music mogul Diddy, now 38, at a time when he was supposed to have been with his longterm girlfriend and mother of his twins, Kim Porter.

Diana’s friend told The Enquirer that music mogul Combs was Diana’s second celebrity conquest. “Diana met Sean at his recording studio when she went there with a friend who knew him. She told me that he just came up to her and started talking,” the source revealed.

“She said their affair started a few weeks later – and it went on while he was involved with the woman he was going to marry, Kim Porter. Diana said she thinks that she’s the reason they split up.”

A representative for Combs denied the affair, but Diana’s pal said she grew increasingly uncomfortable during the relationship because he was getting too involved.

“She said she was freaked out because he even sent people to her voice rehearsals and lessons to watch her,” said the source.

[From The National Enquirer, print edition, July 14, 2008]

The Enquirer adds that the source passed a polygraph test. The friend also claims that Diana made a sex tape, took nude photos, and had battled a sex addiction that she’s sought therapy for.

This girl was 17 when she met Peter Cook. She may have technically been legal when they started their year-long affair, but a married man in his late 40s should know better than to take advantage of a girl who has barely graduated high school. He also treated her like a hooker by giving her cash and gifts. This whole situation is sad and while a lot of people say that Brinkley shouldn’t have made the divorce proceedings public as she has two young teenaged children with this man, you understand why she would make that choice.

If this story about Bianchi’s affair with Diddy is true, shame on him for cheating on Kim Porter with her. Diddy’s arrangement with Porter seemed to have been one of mutual convenience, but maybe that’s all he’ll offer a woman.

Photos thanks to Splash.

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28 Responses to “Young mistress of Christie Brinkley’s husband had affair with Diddy”

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  1. daisy424 says:

    If this is true, Diana doesn’t sound as innocent as she makes herself out to be. Serial homewrecker?

  2. Mommy says:

    I’m proud of Ms. Brinkley for going public with all this. It only stops the inevitable book deals that would have been offered to that scum bag she was married to in order to make more money off of her (and use to pay off other CHILDREN he sleeps with).

  3. Carrie says:

    Is there anyone P Diddy HASN’T nailed?…

  4. Poe says:

    Evidently there are a lot of dumb whores in NYC.

  5. Because I say So says:

    @ Poe:No different from anywhere else!

  6. blabbermouth says:

    The Enquirer reported that Christie Brinkley was cheating on Billy Joel way back when she was involved in a helicopter crash (in Aspen, I think???). She was with Peter Cook at the time of the crash.

    Weeks later they filed for divorce. And now she’s pretending to be the injured party?


  7. Trillion says:

    Well, I’m sure we’d all agree that cheating is wrong, but cheating with an 18 year old girl when you’re a married man in your 40’s is a special kind of disgusting.

  8. CiCi says:

    the helicopter crash involved Ricky Taubman, who she later married as her third husband, not Peter Cook.

  9. Emily says:


  10. lORNA says:


  11. I am tired of seeing this stupid woman. I wish she would go away. She is a ghetto trash nobody and should remain that way.

  12. oxa says:

    to the person that called her ghetto trash,
    Brinkley attended Palisades High School in Pacific Palisades, California, and graduated in 1972. In the early 1970s, Brinkley and her family lived in the Bel Air hills. Brinkley was educated at le Lycée Français de Los Angeles[1] and worked in Paris as an entry-level illustrator.

  13. jim says:

    the ny post quotes peter cook as saying to his wife,
    “The man’s a drunk…He’s murdered somebody and you can’t believe a word he said.”
    this was in reference to brian pratt, stepfather of diana bianchi.
    anybody know what he is talking about RE: murdered?

  14. ghis-in-fr says:

    “Is there anyone P Diddy HASN’T nailed?…”
    I think Diddy hit any girl he wants; no girl will resist. It’s not about money or whatever but something special i want to know. I means Cameron Diaz, Penelope, Sienna, Tracey, etc they have money but that loser hit them as a easy game.

  15. Susie Q says:

    To Celebitchy: How could you have sympathy with the young hooker ? You write,’and he treated her like a hooker, with money and gifts.” Having sex for pay/money/gifts is prostitution. She is a hooker.

  16. I never called Brinkley ghetto trash. I was referring to Diana Bianchi. Get a clue.

  17. jinx says:

    Does anyone else think she looks like a 43 year old divorcee from Hoboken? No wonder Peter Cook wanted to date her when she was 17 – she looked 40 at the time.

    At this rate she’ll look like the old woman from Titanic on her 25th birthday. Scary little quick aging hookerette.

  18. Kim says:

    This whore was with Christie’s husband trying to get into the music industry. I read that after this all broke open two years ago. Christie’s ex Billy Joel is a mega superstar. Yes Cook is more to blame but this whore knew exactly what she was doing. Cook buried money and gifts throughout the Hamptons and told where to find them and there she went digging them all up. She’s trash, pure and simple.

  19. sassyspank says:

    For all of you attacking this young girl . . . she was SEVENTEEN!! And only 21 now. No, her decisions weren’t sound – but she was YOUNG and NAIIVE. This has “daddy-issues” written all over it. I bet her father walked out on the family, and she’s dealing with this through her choice of relationships or something. Also, 300k is A LOT of money in your 30s – so imagine a SEVENTEEN year old being given all this cash?!? Again, no, her decisions weren’t sound – but I would NOT call her a hooker. Just a teenager who was flattered by all the attention – and the association to fame that she must have felt. I don’t blame this poor girl. I think she has issues, but I don’t think she knew what she was in for. It will be hard for her to have any kind of respectable career after this – and adult would have recognized this . . . a teenager, would not.

  20. lindswall says:

    I suspect Bianchi will be doing the same type of thing when she’s in her 20’s, 30’s, 40’s. He gave her 300k to keep her from talking, not to convince her to have an affair. She saw an opportunity and yes, was naive blah blah blah….but she knew exactly what she was doing…and FOR SURE she knew what she was getting!

  21. Simon Scowl says:

    Billy Joel suddenly doesn’t look so bad, does he?

  22. daisy424 says:

    I am tired of hearing she was young and naive. She was an ADULT. Unless she is a complete moron, she absolutely knew what she was getting herself into. It’s obvious she had a plan. They used each other.

  23. John says:

    Yes, it is disgusting that she an 18 year old would have an affair with a 40 something year old. A special kind of disgusting this 44 year man old with little money can only dream about… Bahhhaaaaa!!!

  24. Whinemaker says:

    In response to Blabbermouth … She wasn’t with Peter Cook at the time of her helicopter crash, she was with her third husband-to-be, Ricky Taubman, the father of her son. She married him as soon as her divorce from Billy Joel was final…

  25. TIA says:

    DIDDY LOVES WHITE WOMEN !!!!!!!!!!!!

  26. Tania says:

    Christie may be much older than Ms. Bianchi, but she has infinitely more class and elegance – and she is still 100 times more beautiful than this cheap little tramp Bianchi, who is just cute at best. Cook is an idiot! Look what he lost just because he’s a narcisstic older man going through a mid-life crisis! Asswipe! He should be ashamed of himself! Maybe Christie was too much woman for him and he felt that he had to “conquer” younger women who don’t really quite know yet what good sex is, just so he could feel more ‘manly’!? LOL! Loser! No, Bianchi is far from innocent, but Cook should have known better than to mess with such a young woman. Idiot! Christie, you deserve so much better! If my husband paid some bitch $300,000 to keep her mouth shut over an affair, he would be DEAD MEAT! You did the right thing going public and forgiving Bianchi.

  27. british bitch says:

    Beautiful young woman, seduced by older married man. Happens all the time. Even to supermodels. Ms Brinkley´s ego is crushed, and so she has decided to rip off Cooks balls in the public arena. I don´t blame her, but she hasn´t considered what the fall out from that action will bring. I doubt she should be throwing such large rocks since she lives in such a glass house. I remember a tale in the tabloids not too long ago, when a household staff member said she was a contolling bitch, impossible to work for. A bit narcisstic… Interesting.

  28. UR Kidding says:

    I do not find Bianchi attractive at all.