Patti Stanger and David Krause have split.

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Following three years of dating, the 54-year-old Millionaire Matchmaker has reportedly broke things off with Krause.

“The relationship is over and Patti ended things,” a source told Radar Online on Tuesday.

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Stanger and Krause reportedly met on an online dating site years ago, and began living together a short time later. The couple also exposed parts of their relationship on Stanger's Bravo reality show.

"Despite the bust up of her relationship, Stanger isn’t staying home and mourning her loss," Radar Online noted. "Instead, the brunette beauty is currently spending time with loved ones basking in the social scene of the Hamptons in New York."

Stanger made headlines earlier this year, after revealing to Andy Cohen that she had witnessed The Real Housewives of New York City star Ramona Singer's husband, Mario, cheating on her in the Hamptons.

"I was there that night he cheated," Stanger told Cohen during an appearance on Watch What Happens Live, via Life & Style. "I saw the whole thing go down...I was worried for Ramona. I was really worried for her … He had, like, a midlife crisis going on and she doesn’t deserve that. She’s a great girl."

Stanger is expected to reveal details about her split in an upcoming blog entry.

Tags: Millionaire Matchmaker Bravo Reality TV Patti Stanger david krause