FeaturesNPC BikiniTrainingVideos IFBB Bikini Pro’s Frida Paulsen Stern & Kim Gutierrez: Glutes Workout. September 8, 2018 Share on Facebook Tweet on Twitter IFBB Bikini Pro’s Frida Paulsen Stern & Kim Gutierrez: Glutes Workout. Filmed By J.M. Manion at the NPC Photo Gym.