In the "Brody In The House" episode of Keeping Up With The Kardashians, Kourtney Kardashian and her 3 sisters fly to Mexico for a sexy photoshoot with photographer Ashley Paige. The photo shoot gets stressful, but the pictures turn out great at the end of the day. The photo session is for the Girls Gone Wild swimsuit line. One picture of Kourtney Kardashian eventually made it onto a billboard, pictured below. While they were away shooting photos in their sexy bikinis in Mexico, their brother Brody Jenner babysat their half-sisters.