Popsugar Health & Fitness Workouts Halle Berry's 5-Minute Ab Workout Review I Tried Halle Berry's 5-Minute Ab Workout, and My Abs Still Haven't Forgiven Me 15 May 2019 by Tamara Pridgett View On One Page Photo 4 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Hollow Rock Next up is the hollow rock. If this is too hard, you can also do a v-sit. Hold for 30 seconds. Previous Next Start Slideshow Editor ExperimentsIntermediate WorkoutsAb Workouts5-Minute WorkoutsStrength TrainingWorkoutsCelebrity FitnessHalle Berry