My, my, Lonelygirl15 sure has come a long way. Not so long ago, everyone thought the too-cute videoblogger was, well, a too-cute videoblogger. Then some online video fans with a shocking amount of time on their hands deduced that she was likely an actress in a staged series of video episodes. (They were right.) Now, leading lady "Bree" (played by Jessica Rose) has gone all professional on us--the new MySpaceTV video portal will be hosting Lonelygirl15's season finale.