Which Celebrity Butts Make the Grade? (PHOTOS)

Baby got back. And, for celebrities, the bodacious bottom can be either a tremendous blessing, or a hideous curse.  Some celebrities have literally built a career out of their fabulous fannies, while others seem ever-sliding toward becoming the “butt” of late night jokes.

Attempting to bring a little science to an otherwise subjective subject, Celebuzz has taken its measurements, checked them twice, and presents its grades for famous Celebrity backsides.

Check out our gallery and see if you agree with our scores.