The Abs Exercise That Helps Hailee Steinfeld Trick Herself Into Training Her Obliques

There's been a lot of conjecture about Hailee Steinfeld's abs. The star sets the record straight on her routine.

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Photo: Vivien Killilea/Getty Images for Core Hydration

16 Upper Glutes Exercises Personal Trainers Swear By for a Stronger Butt

Why your upper glutes deserve more love, and the best exercises to strengthen them.

woman doing an upper glutes exercise with an exercise band.