I think the sexiest backsides are
Gina Lynn (Italian bleach blonde)
the late Chloe Jones
Angela Devi (I'd Love To slap that ass)
Crissy Moran (ass perfection)
Devin (sexy ass)
Harmony Grant (sybian trained ass)
Houston (The ulimate slut)
Jenna Jameson ( Miss Sex )
Jesse Jane (hot ass)
Jodie Moore ( ass master)
Kathy Wilets (The other ulimate slut)
Krystal Steel (born for sex)
Lovette ( vibrator loving ass)
Michelle thorne (model ass)
Nikki Benz ( good girl gone to the kinky side)
Pandora Peaks ( the best dancing ass the the biz. But her tits over shadow that ass)
Sofia Staks (decided to sell her ass)
Sunrise Adams (WOW great ass)
Toni Leigh (Best Oriental Ass Period)
Tyler Faith ( I'd tongue fuck her ass)
Zoe Gregory (killer behind)