A Canadian actress, pop singer and song writer Jessica Lowndes (she is best known for her role as Adrianna Tate-Duncan on TV series 90210) Jessica Lowndes attends a party at the Sugar Hut at Sugar Hut on May 4, 2012 in London, England. (Photo by Danny Martindale)

A security exercise takes place along the River Thames on January 19, 2012 in London, England. The exercise including around 44 police officers, 94 military personnel, 15 boats and a Royal Navy Lynx helicopter was conducted by both the Metropolitan Police and the Royal Marines and designed to test their joint capability ahead of the 2012 London Olympic Games. (Photo by Dan Kitwood/Getty Images)

Craig Jobbins, first buyer of the new iPad to leave the Apple Store, poses for photographers in Covent Garden on March 16, 2012 in London, England. (Photo by Matthew Lloyd/Getty Images)

Lisa Snowdon (C) takes part in the launch of the new Veet Easywax campaign in a bid to find “Britain's Greatest Legs” on February 23, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

Parked scooters and motorcycles in a line on January 13, 2012 in London, England. Statistics showed a 12% increase in scooter registration in 2011, with cost savings on petrol, parking and congestion charge (in London) believed to be the primary factor. (Photo by Matthew Lloyd/Getty Images)

Giant Olympic rings are towed on The River Thames past The Tower of London on February 28, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)