The female derriere has been the source of inspiration for countless pop songs, from Queen’s “Fat Bottomed Girls” to Sir Mix-A-Lot’s “Baby Got Back”. We thought it was high time to honor ten of the best butts in the music biz, but we were stumped as to which part of the continent birthed the best rump. Not to turn this into a whole “East Coast, West Coast” rivalry — but that’s exactly what we did. Click through and tell us which part of our great nation is home to the best pop star humps. When choosing between Katy Perry and Nicki Minaj, we promise it won’t be an easy decision.