talent and drive. >> i also felt like i was mozart's older brother. he's so good at what he does. he's so -- he hits on every cylinder all the time. savant. like you're describing a >> that's exactly what he is. he's a savant. >> it wasn't only justin's talent in the spotlight. so was his love life. >> britney spears and you. this is "larry king live" we don't fool around. >> we are dating. >> from the moment they confirmed the relationship to the moment it ended, they were a tabloid dream. despite it all, justin remained focused on the music, taking the lead in crafting the group's third album "celebrity." ♪ ever wonder why ♪ this take us on a ride >> which included a lead single that seemed to take aim at 'n sync's detractors who derisively labeled their music pop.