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You remember New York socialite Tinsley Mortimer from that awful reality show High Society? Well, she spent the afternoon Sunday on Miami Beach with her boyfriend Brian Mazza.

PHOTOS: More bikini clad celebrities!

Tinsley wore a Beach Bunny bikini by Kourtney Kardashian while playfully splashing in the surf, kissing and hugging her boyfriend Brian, who is 9 years her junior. Tinsely is in town hosting an animal rights event at SET nightclub.

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