Kim and Kourt flaunt their bikini bods as they celebrate Kourtney's 32nd in Punta Mita, Mexico with their guys: Kris, Scott, brother Rob and little Mason!
Double Beach Date
After a party for birthday gal Kourtney on the night of their arrival -- complete with cake and mariachi band! -- the couples kept it low-key for the 6-day stay. "It was a really romantic getaway," a source says.
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