While the following isn't exactly conclusive....

Google Image Search is your friend:

http://awwwyeahs.wordpress.com/2012/01/04/girl-in-lingerie-taking-selfshot/
http://www.naughtyselfpics.com/brunettes/mirror-self-pics-11/

etc., etc....

http://goo.gl/Q7GDn

Not exactly a hard photo to just grab from somewhere for an ad.