WATCH: Jessie J Sings "Bang Bang" With her Mouth Closed

Pop singer Jessie J left viewers in awe Friday night when she performed her hit “Bang Bang” on The Graham Norton Show – with her mouth closed. The gorgeous brit explains that she unearthed her peculiar talent as a child, stating “I discovered when I was little that I could pretend I was in a box.” What began as talking with her trap shut evolved into singing, a weird hidden talent that is equally impressive as it is bizarre. Check it out for yourself below.

[youtube=http://www.youtube.com/watch?v=o6BXpFBhZZQ&w=590]