There's certainly no question why Gisele Bündchen is the world's highest-paid supermodel! While on vacation with her family in Costa Rica this past weekend, the 34-year-old hit the beach in a skimpy black bikini that showed off her smoking hot body (it's perfect!). Tom Brady's other half flaunted lots of skin in addition to sexy cleavage, a flat tummy, long legs and a perfect bum while soaking up the sun with a female friend. Bündchen's barely there bikini was paired with chic sunglasses and nothing else. One thing's for sure: Bündchen turned a simple stroll on the sand into a sizzling hot catwalk! The mom of two recently posted a cute Instagram photo that featured...