Although I am by no means the resident expert on such matters since I have not seen that many providers,  I think that Jamie and Brooke both have awesome rear ends.  You can click on the link below and see why I might think this.

Also - FYI -  Looking beyond this whole "best ass" issue, I think that if you ever get a chance to meet Jamie and/or Brooke, you will find that they are two of the nicest, most down to earth providers you will ever have the good fortune of meeting.

http://www.theeroticreview.com/discussion_boards/viewall.asp?BoardID=114&SortBy=DateCreated%20desc&Search=brooke&SearchType=1&DayFrom=30&DayTo=0&MessageID=4699&frmSearch=1#4699

Giselle Parker!

What a view.

my .02

Elrond

You could bounce quarters off that sucker.

We are so blessed to have so many beautiful /awesome ladies that are providers in the Chicago area.  I seriously wish I could spend time with all of them that I wanted to but I am afraid if I did that I would go broke in very short order.

Her ass was created on a Saturday because the good Lord himself needed to take a day off to admire it.

Elsa's. She could have left her beautiful little booty planted on top of me for the whole session!

And Victoria Solena comes in a close second!!

I have been trying to post a picture of my butt but image coast is not co-operating. If you email me at [email protected] I will send you a pic. Image coast always goes down for me when I need to use it!!!  

So here is a pic on my website that has not gone live yet.....oh the risks we take to show our butt!!!

Angiexxx/ Alayna.  
Her ass is like a Washington apple, nice, delicious and edible.

that has an absolutely beautiful posterior is Tiffany Delight, another incredible Chicago lady!

a tie between Ayden Ashley and Audrey Davis.  

Audrey Davis (can't believe she wasn't listed until later in this post)
Erotic Isabella (visits frequently)
JewelStar (visiting next week)*
Gabriella Cruz*
Marissa Morgan*
Elsa*

*haven't had the pleasure as of yet

She's so sweet and has an excellent derriere

Wow