PHOENIX - After nearly two years of dating, Justin Bieber and Selena Gomez have reportedly ended their relationship, according to Yahoo.com .
Yahoo reported that Selena broke up with Justin on Halloween because of trust issues and because of busy schedules.
The two had been dating since November 2010, but didn't go public about the relationship until the following spring, according to Yahoo.
However, though the split seems serious, sources told Yahoo it might not be the end of their romance. Yahoo reported that one source told them that the couple is always on-again-off-again, so they could get back together.