The six Olympic posters have been designed by Ofili, Martin Creed, Anthea Hamilton, Howard Hodgkin, Bridget Riley and Rachel Whiteread.

FORBES: The Alternative London 2012 Olympic Posters

The event was broadcast on BBC Breakfast, Radio 4 and Radio 2 - where Chris Evans took part in the ceremony alongside Moira Stewart, Dame Kelly Holmes and Martin Creed himself.

BBC: Mass bell-ringing heralds Olympics opening

The Pull Out All The Stops Festival - from 18 March to 13 April 2014 - includes new works by John Tavener, Neil Hannon of The Divine Comedy, and Turner Prize-winning artist and musician Martin Creed.

BBC: Entertainment & Arts