Bikini babe, Bethenny Frankel! The talk show host hit the sandy beaches of Miami on Wednesday, Jan. 1, with a ripped, shirtless man whom Us Weekly can identify as Michael Cerussi III(who goes by "Mac" for short).

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Frankel, 43, waded in the crystal clear waters of the Atlantic wearing a printed black and white string bikini, showing off her flat stomach and skinny girl physique. "Finally a nice beach day in Miami. Jumping into the ocean to plunge info the new year," the Real Housewives alum shared via Twitter, as she frolicked with her hunky new man.

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"Bethenny is dating," a source close to the TV personality tells Us. Another insider reveals she brought Cerussi to Miami for New Year's Eve, where they stayed at the Delano Hotel. "They've been all over each other since they got here," the source tells Us.

Frankel is currently in the midst of an ongoing, year-long divorce battle from husband Jason Hoppy. The entrepreneur filed for divorce in January 2012, which subsequently led Hoppy, 41, to file his own papers requesting primary custody of the couple's 3-year-old daughter, Bryn. They still live in their Tribeca loft.

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"Divorces are like ice cream, there are a lot of different flavors. Some can be very amicable, and some can be very peaceful and easy, and some can be really brutal," she told Us back in November. "I honestly did not have any idea how difficult in the very least it can be."

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She added in the same interview that she was not ready to date, although it seems she underwent a recent change of heart. "It's like having food poisoning and not wanting to eat again," she told Us. "In theory it sounds somewhat appetizing, but in reality it just doesn't seem all that interesting to me."

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Bethenny Frankel Hits the Beach in Bikini With Shirtless Hunk: Find Out Who He Is!