I've ran into the same Gianna profile numerous times browing myspace and I always thought it looked legit. It was a little more on the personal side as oppose to your typical self promoting porn whore profile. But she still had sexy pictures and mentioned being an adult actress, so it wasn't like someone was pretending to be a normal civilian with Gianna's pics.. I tried finding it again for you but no luck, according to her myspace group it got deleted.

http://forum.myspace.com/index.cfm?fuseaction=messageboard.viewThread&entryID=31789513&groupID=103020579&adTopicID=31&Mytoken=16467648-CB9E-46D9-AED3E2535C4683C89777325