The singer's workouts consisted of things like up to 1,000 types of crunches in one day,...
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I worked out like Britney Spears for a week and my abs have never felt so sore
Lara Walsh, Business Insider US
I worked out like Beyoncé for a week, and I fell on my face, almost threw up, and have never felt more sore in my life
The star's fitness routine consists of upper-body moves, kettlebell squats, and so many...
I ate only 'flat stomach' foods for a week — and I felt tired and sluggish.
I tried to eat foods that some claim will give you a flat stomach. It ended up making me...