From Wikipedia, the free encyclopedia. Jessica Lee Rose (born April 26, 1987) is an American-New Zealand actress who first gained popularity after playing the role of lonelygirl15. In June 2006, Rose debuted as lonelygirl15, a fictional teenage homeschooled character named Bree who appeared in many video blogs on the popular video-sharing website YouTube. The mystery surrounding the possible fictionality of her character led to an outing by the Los Angeles... see more