Popsugar Health & Fitness Fitness Tips Selena Gomez Ab Workout This Is Exactly How Selena Gomez's Trainer Likes to Sculpt Abs 22 April 2018 by Dominique Michelle Astorino View On One Page Photo 8 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Elbow Plank With Side Step Start in an elbow plank and alternate stepping your legs to the side, keeping your toes off the floor. To modify, tap your toes to the floor. Previous Next Start Slideshow Fitness TipsBodyweight ExercisesCelebrity TrainersPlankWorkoutsAb ExercisesPopsugar InterviewsSelena Gomez