Kelly Dodd's Ex Dr. Brian Addresses Cheating Allegations (Exclusive)
Biggest 'Housewives' Blowouts

Here's what the plastic surgeon has to say about his reality star ex.

Dr. Brian Reagan maintains that he "did not cheat" on his "Real Housewives of Orange County" ex-girlfriend.

The O.C.-based plastic surgeon -- who went from being Kelly Dodd's doctor to being her boyfriend around November of last year -- wanted to make sure his message was heard loud and clear while standing outside Craig's in Los Angeles over the weekend.

When asked point-blank if he had been unfaithful to the 43-year-old reality star during their relationship -- which ended for good earlier this month -- Dr. Brian let out a chuckle and said, "I definitely did not cheat. Absolutely not."

"I heard she's moved on," he added. "I'm very happy for her."

Reaching for the door of the restaurant, the plastic surgeon was given one more opportunity. "And you didn't cheat?" the cameraman asked again.

"Absolutely not," Dr. Brian reiterated. But that's not what Kelly believes.

This is now the second time the plastic surgeon is publicly denying cheating on the "RHOC" star. A little less than two weeks ago -- after Kelly announced on Instagram that she and Dr. Brian had broken up -- he told Page Six, "Kelly and I are no longer dating. I completely deny having cheated on her. Completely. That's not why we're not dating."

"I simply cannot make her see -- I'm not there all the time -- she's reacting. There are other things that have happened. I'm not going to share. And that's it," he continued.

"My focus is on my son and my career," he added. "I regret ever getting involved in [reality TV] ... but this is my life and I'm just gonna get back to being a good dad, a good surgeon."

Shortly after announcing the split, Kelly revealed she was dating someone new: Fox News correspondent Rick Leventhal. But in true Kelly fashion, both announcements were nothing short of entertaining.

In a series of Instagram Stories posted while out with friends, the reality star shouted, "The universe is telling me I broke up with Dr. Brian. Wooo! And they all know why."

After insinuating that Dr. Brian hadn't taken her side in an argument, Kelly declared that their relationship was officially over.

"This is why I'm breaking up with Brian for good. This is the last time," she said. "No going back to this asshole. At all."

Kelly celebrated the breakup by singing along to Queen's "Another One Bites the Dust," saying, "Here's our song. I broke up with Dr. Brian. Another one bites the dust!"

"We met in the Hamptons," Kelly told PEOPLE of her 59-year-old new beau. "It's new, we haven't even had sex. But he's already treated me with more respect than Brian ever did."

Kelly said she "broke up with [Dr. Brian] on Aug. 3," noting that they had been "on and off for 9 months and I couldn't take it anymore."

Echoing her sporadic Instagram comments, she went on to claim that Dr. Brian was "using me for publicity."

"He wanted his business on the show. I was just a means to get there," she alleged. "And I only realized that after I caught him cheating on me and realized he's been seeing someone else all along."

Kelly and Dr. Brian were first linked romantically in November, but fans of the show met him on the Season 14 premiere. At the time, they had been dating for only three months, but Kelly maintained she was "in love." Dr. Brian even called her into his office to give her a pair of rose-gold, rain-drop diamond earrings.

To his face, Kelly was grateful and put the earrings on right away. But in her confessional, she was grateful it wasn't a ring "because that's not the way I wanna be proposed to. I would probably say no in a small office like this."

After a brief split in July, the twosome reconciled, but things appear to be over for good.

"The Real Housewives of Orange County" airs Tuesdays at 9 p.m. on Bravo.

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