Justin Bieber and Selena Gomez

Justin BieberSelena GomezJustin Bieber: Never Say Never (movie)
Mega pop star Justin Bieber and actress Selena Gomez called it quits due to their conflicting tour and work schedules, according to a source who spoke with E! News' Marc Malkin. The couple had been together for almost two years. Full story: Justin Bieber and Selena Gomez call it quits |... Darren Calabrese / Associated Press