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EastEnders: How to pull a Lucy Beale doof doof face

16 February 2015 Last updated at 05:41 GMT

It's an important week for soap land - EastEnders is celebrating its 30th anniversary with a live episode.

The cast will gather in Albert Square on Thursday for the special show, as Lucy Beale's killer is finally revealed.

Ten months have passed since she was murdered but with so many names in the frame how are the actors coping?

Newsbeat's Ben Mundy caught up with Jamie Borthwick and Harry Reid, who play Jay and Ben Mitchell in the soap, and got some tips on how to pull one of those famous "doof doof" faces.

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