Kelly Rowland, Akon, & Nas Rock Royal Albert Hall

David Guetta and Kelly Rowland gave 5,000 fans the royal treatment, performing their smash “When Love Takes Over” at London’s Royal Albert Hall on Friday (Sept. 25). Akon also joined the French DJ for “Sexy Bitch,” while Nas, Nelly, and Daniel Merriweather kept the crowd pumped as part of the Orange RockCorps concert.