It’s been a rough couple of weeks for Tori Spelling. After she was severely burned during an Easter Brunch at Benihana restaurant, the mother-of-four found out that her husband Dean McDermott allegedly hooked up with his ex-wife, Mary Jo Eustace!

“She’s heartbroken,” an insider reveals of the ‘True Tori’ star. “She’s trying to put on a brave face, but she’s at a complete loss as to how to deal with it…She doesn’t know what to do.”

tori spelling
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Tori and Dean’s family, including the actor’s son with Mary Jo.

News of his alleged infidelity comes just a year-and-a-half after the 48-year-old actor admitted to cheating on Tori while filming ‘Chopped: Canada.’

According to ‘Radar Online,’ Mary Jo, whom Dean divorced in 2006 after meeting Tori, spilled the beans during one of Brandi Glanville’s ‘Unfiltered’ podcasts.

dean mcdermott

Dean and Mary Jo in 2003.

“Dean, my ex-husband, apologized to me,” she explained. “There had been no apology for years and years and years. He came to my house, off camera, and I went into the kitchen to get him a coffee and turned around and he was right behind me.”

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When Brandi questioned whether or not he made a move, Mary Jo answered, “A little bit. Wouldn’t you?”

RELATED: Tori Spelling and Dean McDermott Turn to Her Estranged Mother Candy to Help Pay $60,000 in Monthly Bills

“It’s become clear to Tori that Dean was after her for her money,” the insider shares. “She doesn’t recognize the man she married. She’s disgusted that he could go to his ex-wife at a time when they are supposed to be working on fixing their relationship.”

Plus, the source tells ‘Radar,’ “She wants to leave him but is terrified of being a single mom…They’d be better off apart.”