Popsugar Fitness Celebrity Fitness Halle Berry's No-Equipment Ab Workout Feel Strong and Sexy This Summer With Halle Berry's Equipment-Free, Ab-Shredding Workout June 24, 2019 by Tamara Pridgett View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Straight-Arm Towel Sit-Up Start by holding the towel at both ends with your arms fully extended as you perform a sit-up. Complete 10 to 20 reps. Previous Next Start Slideshow Halle BerryCelebrity InstagramsCelebrity Fitness