LONDON, UNITED KINGDOM - JULY 15: Robbie Arnett performs on stage as part of the annual Summer Series of open-air concerts at Somerset House on July 15, 2013 in London, England. (Photo by Brigitte Engl/Redferns via Getty Images)
LONDON, UNITED KINGDOM - JULY 15: Robbie Arnett performs on stage as part of the annual Summer Series of open-air concerts at Somerset House on July 15, 2013 in London, England. (Photo by Brigitte Engl/Redferns via Getty Images)