Bikini Model Viktoria Koos is showing some of her favorite butt and legs exercises she likes to do at home. These are exercises she learned from ButtTransformation.com and she finds then to be very effective. She has a big butt and is working on lifting it and building more muscle. ButtTransformation.com is the #1 Workout Plan to get a Fuller, Rounded, and More Lifted Butt. Its based on the Workout and Exercises all the top Bikini and Fitness Models are doing. Instagram: BikiniModelFitness1 Viktoria Koos: Viktoria_Kay