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Radio 1 DJ Gemma Cairney wears pyjamas on the tube

15 March 2013 Last updated at 12:07 GMT

Radio 1 DJ Gemma Cairney tells School Reporters Sarah and Jane from St Mary's College in Londonderry what she remembers about being 13.

She explains why she prefers older music to more modern hits and also why she is relaxed about travelling to work in her pyjamas while she describes her life as "bonkers".