When asked if he thought of himself as a "good boyfriend," the 18-year-old singer said, "I would say that I'm a pretty good boyfriend. You know… I think it's not hard to be a good boyfriend, you just have to be sweet and loving, caring and stuff… and don't be rude to your girl."
Justin then revealed that after the release of his next album, "Believe," he plans to hit the big screen. "Right now we're looking at a movie with Mark Wahlberg. He came to us with a script and that's what we're kind of focusing on right now."
The singer, who performed his latest hit single "Boyfriend" on the hit NBC singing show, was rooting for Team Adam to win the competition. "I mean, I've always just been Team Adam. Adam's my boy!"
Former Alicia Keys backup singer Jermaine Paul of Team Blake took home the Grand Prize of $100,000 and a record deal, while Adam's contestant, Tony Lucca, came in third.
"Extra" host Renee Bargh met up with pop superstar Justin Bieber before his performance Tuesday night on "The Voice" finale to talk about his relationship style and the possibility of a future film project.