Kristin Cavallari escaped to Tulum, Mexico this week to enjoy a girls' holiday, and the photos are making us crave Summer. The 31-year-old actress and The Hills alum showed off her toned figure in a black and white striped bikini while soaking up the sun and splashing around in oncoming waves. Kristin is no stranger to flaunting her physique, though. Last year, the mom of three also escaped to Mexico and hit the beach with her husband, NFL player Jay Cutler, after sharing a NSFW photo of his backside. Keep reading to see more of her fun day in Mexico and pretend like you were there.