The Vamps performed at Sound Waves 2013 in a line up that included McFly, Little Mix and Joe McElderry. The four boys said they could not believe how loud the audience was and that they hope to be back in the North East soon.
Brad Simpson's family are from Newcastle and he said that playing up here meant a lot to both him and his bandmates.
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Stephen was last seen wearing a black coat, jeans, black hat and was carrying a bright blue nike bag.