Margot Robbie says toning *this* body part was key to nailing her role in “I, Tonya”

Golden Globe-nominated actress Margot Robbie listened to Tonya Harding and strengthened her core to play the disgraced former figure skater in "I, Tonya".

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Photo: Instagram/@itonyamovie

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.