Superstar Justin Timberlake has revealed that becoming a father has 'opened a door to a whole new world'. 

He told Variety magazine that his life now is so different to how it was before, and he wouldn't trade it for anything:

"Having a child gives you a different insight. It’s like The Matrix, man. You open a door and there’s this whole other world on the other side of it. And you look back through the door at the other world and you’re like, 'What was I doing there?'"

Back in May, Timberlake teased details of the new music he's working on and explained that he has been writing with Pharrell Williams: "It's an exciting time, I'm writing a lot of music right now. I don't wanna put anything out there that I have to keep promises on, but it's moving along quite nicely."

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Watch Timberlake listening to his song from the 'Trolls' movie here: