Bottoms up! Stars like Jennifer Lopez, Kim Kardashian, and Nicki Minaj know how to sizzle in front of the camera -- but it's all about what they have behind! Whether they cause awe or envy, look at some of our favorite celebrity butts of all time!
Shell shock value! Mother Monster slipped into a seashell bikini, replete with G-string thong, for her frantic rendition of "Applause" at the 2013 MTV Video Music Awards. Yet, Gaga shared on The Graham Norton Show in 2014 that her mother was most upset when she got a nose piercing. "I said 'Mom, really? I'm naked in every magazine!' I've had my ass out since 2007!"