This muscular tyke is Arnold Short-zenegger. Seven-year-old Kynlee Heiman is both a beauty and a “beast.” The pageant queen is putting adult gym sharks to shame with her rippling six-pack — which she ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Nico Gonzalez Uncover the best core gym workouts for beginners and try out this ...