FITNESS Editors' Go-To Gear: What We're Thankful For

Bust-Your-Butt Beats

"I'm forever grateful to any and all Rihanna and Black Eyed Peas songs. They get me out of bed and jazz up my early-morning runs!"

-Argy Koutsothanasis, fashion director

Love Rihanna too? Check out our playlist devoted to one of our favorite pump-up divas