Watch Pharrell's Full Rehearsal From The Grammys

The 'Happy' singer's full rehearsal with Nile Rogers, Daft Punk And Stevie Wonder has surfaced online.

This year Pharrell took over the Grammys stage with an epic performance of his 2013 hit single 'Get Lucky' with the song's collaborators Daft Punk, plus Nile Rogers and Stevie Wonder, who also performed the 'Le Freak', and 'Another Star' with the 'Happy' singer. 

Now, a video has surfaced online of the artists rehearsing their performance in front of just a small crowd of people. It's more intimate, more mellow and every bit as enjoyable as the real thing was. 

Plus there's even a special appearance from a Beatle, hang on till the end of the video to see Paul McCartney on his feet. 

Pharrell's currently enjoying endless success with his number one single 'Happy,' off his new album G I R L. If you haven't yet, make sure you check out Pentatonix's brilliant cover of the song, plus what can only be described as the most creative cover yet. 

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