Eurovision Song Contest's Greatest Hits was a live television concert programme organised by the European Broadcasting Union (EBU) and produced by the British Broadcasting Corporation (BBC) to commemorate the 60th anniversary of the Eurovision Song Contest. The concert took place on 31 March 2015 at the Eventim Apollo, in Hammersmith, London. Guy Freeman was the executive producer and Geoff Posner the director, both of whom held the same positions as the last time the BBC hosted the Eurovision Song Contest in 1998. Simon Proctor was the senior producer and David Arch was the musical director for the concert. Tickets for the event went on sale at 10:15 (GMT) on 6 February 2015.

Graham William Walker, better known by his stage name Graham Norton, is an Irish comedian, actor, author and television host known for his work in the UK. He is a five-time BAFTA TV Award winner for his comedy chat show The Graham Norton Show (2007–present) and an eight-time award-winner overall. He has received the British Academy Television Award for Best Entertainment Performance three times for So Graham Norton. Originally shown on BBC Two before moving to other slots on BBC One, his chat show succeeded Friday Night with Jonathan Ross in BBC One's late-Friday-evening slot in 2010.