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Dan, Katy and Posh Ben went backstage at the O2 and managed to grab a quick chat with Katy B who was supporting Tinie Tempah.
They weren't expecting to be able to chat to her... But using all of their skills of persuasion, they managed to squeeze in a chat with Katy B before she got on stage at the O2.
Dan and Katy chatted to her about how quickly things have happened for her, being on tour with so many blokes and the trouble with being 5 foot 2!
Listen to the interview below...