Ok her name is Lauren WK
Here's a quick google images search:
http://images.google.com.au/images?q=lauren%20wk&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&sa=N&hl=en&tab=wi
Haven't found any specific sets yet. Damn she is cute.
She's at Blueblood, RubbeDollies, BarelyEvil and GodsGirls.