Sue Barker presents live coverage of the ladies' final. Serena Williams will be aiming to clinch her fourth Wimbledon crown with victory over the Russian 21st seed Vera Zvonareva. Williams defeated the unseeded Czech Petra Kvitova in her semi-final, while Zvonareva beat Tsvetana Pironkova to make the final for the first time. Virginia Wade, the last British woman to win the Wimbledon title in 1977, is among the BBC commentary team.