Showing she's still got it at the age of 37, Tyra Banks slipped into a colorful bikini while vacationing in Mexico over the holiday weekend .The catwalk beauty was alongside her boyfriend, John Utendahl, as the cute couple hit the pool area to cool down during their romantic south of the border stay.Enjoy the pictures of Tyra Banks and her boyfriend John Utendahl spending a romantic weekend in Mexico (July 2).