A splendid visual buffet of the derriere: spherical, pert, vulgar, and delicious.
Only the best, served up daily.
I believe that.
Scientists calibrate their instruments off this ass.
WHAT THAT (gif)
I know Sasha Grey booty when I see it. (gif)
Bottoms up, shorts down!
Independent motion (gif)
Cowgirl, reversed (gif)