Fitness Model Lindsay Marie (@Msmathisxo) is showing you a great workout to build a sexy butt and hot legs. Shes doing kick backs .br Fitness Model Lindsay Marie (@Msmathisxo) is showing you a great workout to build a sexy butt and hot legs. Shes doing kick backs . Fitness Model Lindsay .br Fitness Model Lindsay Marie (@Msmathisxo) is showing you a great workout to build a sexy butt and hot legs. Shes doing kick backs . Fitness Model Lindsay .br br Bikini Model Diana Levy does her Squat Sponge (SquatSponge.com) workout challenge in the gym. Shes doing some of her fav barbell exercises to build up .