The 11-minute ab workout that Kendall Jenner swears by

The supermodel-slash-it-girl is seriously ab-sessed—and her favorite fitness routine is one you can do anytime, anywhere. Try it now with this video.

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Photo: Instagram/@kendalljenner

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.