Miley Cyrus after hitting the gym

If you thought Miley Cyrus' knockout figure came naturally, think again -- girl works on her fitness like the rest of us. But it kinda looks like she's on some sort of new workout routine. Maybe "the shirt stretch" to shield yourself from paparazzi is like, really good for your biceps? Oh, Hollywood -- you and your crazy health fads.

The "You're Gonna Make Me Lonesome When You Go" singer was snapped leaving a Pilates class in Beverly Hills looking cuter than ever... even after sweating up a storm. We've taken a Pilates class before, and we're pretty sure we'd be HORRIFIED to get a photo snapped right after a workout like those -- that ish hurts!

Also, unlike us, Miley looks super happy postexercise! It doesn't hurt that she's probably on her way home to an equally flawless-bodied boyfriend, Liam Hemsworth. Anything (even gym time) is smile-worthy if we had that waiting at home.

Photo credit: Splash News