We're all about the booty gains lately — seriously, who isn't?! Whether you have five minutes or 60, we've got a booty workout for you. Jen Selter, the queen of lower-body exercises, shared her ...

Good music becomes the propeller that thrusts my body into motion — I can't work out without it. And, there's something to be said about listening to motivational songs by women. (Because we rule, of ...