London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

London 2012 Olympic Torch Relay Finale Concert - London

London 2012 Olympic Torch Relay Finale Concert in London's Hyde Park, presented by Coca-Cola on July 26, 2012 in London, United Kingdom.

British-Irish boy band The Wanted perfor

British-Irish boy band The Wanted perform on stage during US First Lady Michelle Obama's "Let's Move-London" event at the Winfield House in London on July 27, 2012, hours before the start of the London 2012 Olympic Games. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/GettyImages)

Members of British-Irish boy band The Wa

Members of British-Irish boy band The Wanted perform on stage during US First Lady's "Let's Move-London" event at the Winfield House in London on July 27, 2012, hours before the start of the London 2012 Olympic Games. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/GettyImages)

Members of British-Irish boy band The Wa

Members of British-Irish boy band The Wanted perform on stage during US First Lady's "Let's Move-London" event at the Winfield House in London on July 27, 2012, hours before the start of the London 2012 Olympic Games. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/GettyImages)

Crowd dance as British-Irish boy band Th

Crowd dance as British-Irish boy band The Wanted perform on stage during US First Lady's "Let's Move-London" event at the Winfield House in London on July 27, 2012, hours before the start of the London 2012 Olympic Games. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/GettyImages)

Nickelodeon Joins Let's Move for Let's Move London Event

celebrate Nickelodeon joins Let's Move for 'Let's Move London' event at the American Ambassadors Residence, Winfield House, Regents Park on July 27, 2012 in London, England.

Nickelodeon Joins Let's Move for Let's Move London Event

celebrate Nickelodeon joins Let's Move for 'Let's Move London' event at the American Ambassadors Residence, Winfield House, Regents Park on July 27, 2012 in London, England.