Parisa (Sydney) is profiled over at this online news magazine. They don't reveal much about Parisa, but they contend that she's not the first Muslim to appear on the Real World. Mohammed (San Francisco) was actually the first. The article also reveals that she herself did not pursue the Real World audition, casting producers had asked her to audition.
The article more significantly reveals that Parisa has a YouTube account where she posted a video of her singing the Star Spangled Banner. You can also check out her MySpace Music page.