Megan Fox gym tattoo spandex tank top

...and that rock AND that super hot tush!

Yesterday we caught Megan Fox leaving the gym in Hollywood, and as usual, the Jonah Hex hottie kept her face covered up, but she did give us a peek at that bod she slaves away for. She's got a few projects in the works, so hopefully we'll see more of her luscious lips and electric eyes in the months to come...