Where can I get Tori's purple sweatshirt from the Victorious episode "Wifi In the sky"?

She's the one on the left in purple in this picture. you might not be able to see it, but there is a zipper on the left shoulder. a href="http://nickelodeonlover.webs.com/photos/Victorious-episode-st/victorious_wifi_03HR.jpg" rel="nofollow"http://nickelodeonlover.webs.com/photos/…/a