Buzz·Posted on 20 Jan 2015This Vine Of Jessie J Singing With Her Mouth Closed Is InsaneJust a crazy hidden talent bang, banging into your home.by Kimberley DaddsBuzzFeed Staff, UK LinkFacebookPinterestTwitterMail We all know Jessie J has an amazing voice. Tap to play GIF Tap to play GIF With a million crazy and wonderful talents. Tap to play GIF Tap to play GIF But we never knew she could do THIS. Who knew singing with your mouth closed could be so impressive, so odd, so satisfying? View this vine on Vine vine.co She revealed the party trick on The Graham Norton Show and you can watch the full clip here. View this video on YouTube youtube.com