Sophie Ellis-Bextor, Heather Small and the cast of 'We Will Rock You' have been announced by London 2012 as the final line-up joining the performers at the Visa London 2012 Party on The Mall on Sunday 24 August, as part of the UK-wide Olympic Handover Celebrations. Hosted by Claudia Winkleman and Matt Baker, Olympians including Dame Mary Peters, Roger Black, Sally Gunnell, Jason Gardener, and Sharron Davies will also attend to help mark the moment when London becomes the official Summer Olympic...