Bodybuilding Bros on MSN

A look back at Katy Perry’s workout and diet routine that kept her stage-ready over the years

Katy Perry made history this year, but it wasn’t with her music. She went to space, and that came after a lot of hard work.
Bodybuilding Bros on MSN

Katy Perry's workout secrets behind stronger arms in 40s

Katy Perry proves you don’t need to love the gym to build strong, toned arms in your 40s. From weight training and power yoga ...