This Video of Jessie J 歌う ‘Bang Bang’ With Her Mouth Closed Cannot Be Unseen 

The "Price Tag" singer shows off an unusual hidden talent on The Graham Norton Show

Jessie J and her powerful pipes don’t always subscribe to the philosophy of

, but you can’t deny that the “Bang Bang” diva has quite a voice. And while most pop singers don’t like to be put in a box when it comes to their music, Jessie J has literally been doing that to herself since she was a kid.

To show off the strength of her vocal cords at childhood auditions, the “Price Tag” singer would pretend she was trapped in a box, talk with her mouth closed and

sound totally intelligible. See the clip, above, from

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