When Katy Perry, 40, attended the Jingle Bell Ball in London last weekend, she rocked a sleeveless, side-baring gown that revealed her seriously strong arms. She posted a photo from the night on her ...

Katy Perry has opened up about her fitness regime, revealing how she stays in incredible shape for her performances. The superstar explained how she keeps fit during a Q&A for her ITV special, "Katy ...

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 to smart nutrition and hydration, here’s how she stays fit, energized, and ...