[PHOTO] See Selfie of Life! - Obama, Cameron and Danish Prime Minister

(CNN) - In the year of the selfie, even three world leaders can get away with the relatively new phenomenon – and at a memorial service, no less.

At an event Tuesday marking the passing of Nelson Mandela, Denmark's Prime Minister Helle Thorning-Schmidt snapped a selfie with U.S. President Barack Obama and British Prime Minister David Cameron.