It's not that hard:

See: http://www.eros-michigan.com/files/281112.htm

Did a Google search of the Phone# and found this:
http://washington.backpage.com/AdultJobs/very-busy-agency-seeking-blonde-bombshells-337-415-0165-30/8037828

http://columbus.columbusalive.com/FemaleEscorts/knockout-blonde-23/7137459
Tineye hit on above ad: http://www.tineye.com/search/dd6b494ea810d33b15b451819e7aae550a274778/?pluginver=firefox-1.1

2 more ads with fake photos:
http://philadelphia.backpage.com/FemaleEscorts/sensual-seetheart-23/9601699
http://pittsburgh.backpage.com/FemaleEscorts/bombshell-blonde-23/9575657

She is porn star Mia Angelo:
http://beautiful.urlgalleries.net/blog_gallery.php?id=2708371&t=2&g=Mia+Angelo+~+Cool+Down+Time+~

Same phone # as Hailey's but the agency seems to like to use the old bait and switch.

A Google image search found this

A calendar website from 2009:
http://www.tipografiaarzioni.com/pages/foto_cal_ill.html

Here is Hailey's photo from the website:
http://www.tipografiaarzioni.com/images/calendari/illustrati/CI41.jpg




The lady in question