'All Of Me' sensation John Legend has opened up about working with actor Ryan Gosling in a new movie called 'La La Land' and revealed that it was an exciting challenge. 

Speaking to Entertainment Tonight, he explained that he learned a lot from the Hollywood star while on set:

"I've been a fan of his work as a film actor for such a long time, so I was excited to work with him. I was just hoping that he didn't think I brought him down too much, knowing that he's been doing this for a long time and I haven't."

John Legend added that he had to help Gosling learn piano for some of the scenes, which made him feel less alone in being expected to pick up new skills quickly: "That made me feel a little bit more comfortable, that he was learning something new too and had that sense of... the struggle of a new thing. I was really impressed with him playing the piano, and I thought he was doing a really good job."

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Watch a trailer for 'La La Land' here: