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 1 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Plank Start resting on all fours. With your palms flat, raise up off your knees onto your toes. Keep your hands directly below your shoulders. Contract your abs to keep yourself up and prevent your bottom from sticking up. Remember to keep your belly button pulled in. With your head and spine in line, keep your back flat — don't let it curve. Picture your body as a long, straight board. Previous Next Start Slideshow Fitness TipsBodyweight ExercisesCelebrity TrainersPlankWorkoutsAb ExercisesPopsugar InterviewsSelena Gomez