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Michelle Obama and her dog Bo pose for a selfie in the grounds of the White House. (Twitter: FLOTUS)

Cameron, Clinton and Pope Francis: Unlikely selfies

Glamorous self-portraits taken by Rihanna, Justin Bieber, Kim Kardashian and other celebrities have made 'selfie' the Oxford Dictionaries word of 2013. The use of the word 'selfie' - images taken of yourself, by yourself, on a phone - has increased by 17,000 per cent since last year. As millions of teenagers post their images onto social networking sites here are few unlikely selfie subjects who have contributed to the trend.