Thirty three old, Serena Williams beats 21 year old spanish Gabrine Muguruza 6-4, 6-4 to win the Women’s Wimbledon title and her 21st Grand Slam title. and complete the “Serena Slam”. She is the reigning Australian Open, French Open, US Open, Wimbledon, WTS tour Championships, the Olympic women’s singles Champion. Serena Williams lifts the Venus…