Watch Justin Bieber & Carly Rae Jepsen Practice Dancing For 'I Really Like You'

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Carly Rae Jepsen - I Really Like You (Behind The Scenes)

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You've heard the song, seen the video, now go behind the scenes of Carly Rae Jepsen's latest smash hit.

If you have heard Carly's brand new song you'll already know how incredibly infectious it is. With that sugary voice and the the catchiest chorus so far of 2015 'I Really Like You' is surely going to be a top ten hit.

With the release of the video last week, Jepsen has taken it to a complete other level with both Tom Hanks and Justin Bieber making appearances.

Well now you can see the Biebs and Hanks practising their dance moves and learning the words in the brand new behind the scenes video.