Model Charlotte Bonstrom ex husband Thierry Gillier and Vittorio Assaf

Ex-model abandons New York City restaurateur — in favor of her twin sister's husband

Vittorio Assaf is pictured in 2017 with his then-wife Charlotte Bonstrom.
Vittorio Assaf is pictured in 2017 with his then-wife Charlotte Bonstrom.

This is a familial affair!

The Swedish-born wife of a prominent New York restaurateur is divorcing him for her twin sister's husband.

Charlotte Bonstrom, a former model, has been married to Vittorio Assaf, co-founder of Serafina Restaurants, for more than two decades and has two children with him.

Charlotte is said to have had an affair with Frenchman Thierry Gillier, founder of the fashion house Zadig & Voltaire, during the pandemic — despite the fact that he was married to her identical twin, Cecilia Bonstrom.

“Charlotte had an affair with Thierry, which broke Celia's heart...,” a source revealed. “Poor Cecilia, who has been duped by both her husband and twin sister.”

Now, New York society is abuzz with talk of another possible sister act, with reports that Cecilia, who was dumped, has taken up with Assaf in retaliation.

Assaf, 62, denied rumors of a high-society partner swap, but admitted that his wife was interested in marrying her sister's husband.

“Charlotte and I are currently divorcing – she wishes to remarry,” he told Page Six on Wednesday. “[She] is marrying Thierry Gillier, her sister's ex-husband.”

Charlotte Bonstrom (right), a former model, is divorcing her husband in favor of Thierry Gillier (left).
Charlotte Bonstrom (right), a former model, is divorcing her husband in favor of Thierry Gillier (left).

“It's extremely difficult,” Assaf continued, “but I have nothing to do with Charlotte's sister.”

According to the source, Charlotte began straying after being "hurt" that Assaf "frequently spent time with models during their marriage."

“She was devastated, but eventually accepted it, and she began secretly dating other people,” the insider explained.

Serafina was co-founded by Vittorio Assaf.
Serafina was co-founded by Vittorio Assaf.

Cecilia, who was also a former model, is believed to have discovered the affair in March 2020, when she appeared to post about it on Instagram.

“In general, you're looking for three characteristics in a person: intelligence, vitality, and integrity. And if they don't have the last one, don't bother with the first two," she wrote in the caption, tagging both her husband and sister.

Days later, she captioned a photo of her teary red eyes, "#momentoftruth#iknowwhoiam#nolies." Then there was a post that read, "Maturity is the ability to walk away from people and situations that threaten your peace of mind, self-esteem, values, morals, or self-worth."

According to a source, the Bonstrom twins are unlikely to rekindle their friendship.
According to a source, the Bonstrom twins are unlikely to rekindle their friendship.

Cecilia continues to be creative director of 62-year-old Gillier's prestigious fashion label — "despite the fact that her husband is with her sister," another source explained, adding, "I'm not sure how that will work out."

“My God, what drama!” exclaimed the insider. “One would assume that there would be other men in the vicinity besides your twin sister's husband.”

Cecilia Bonstrom was married to Thierry Gillier, the founder of Zadig & Voltaire.
Cecilia Bonstrom was married to Thierry Gillier, the founder of Zadig & Voltaire.

Additionally, the source stated that it is improbable that the 50-year-old twins will ever be friends again.

“It's such a bizarre story — you couldn't possibly make it up.”

Charlotte Bonstrom declined to comment Wednesday, stating, "This is my private life." You may write anything you wish. In the middle, I have two children, and they are more important to me than the New York Post.”

Her sister declined to comment when contacted for comment. Zadig & Voltaire representatives did not respond to our request for comment.

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