Serena Williams capped off quite the weekend at the 2012 London Olympic Games, teaming with sister Venus to win the women's tennis doubles gold medal on Sunday at the All England club. The Williams sisters defeated the team of Andrea Hlavackova and Lucie Hradecka from the Czech Republic, 6-4, 6-4, to capture their third doubles gold medal of their careers. With the victory, Serena and Venus become the first athletes to win four Olympic tennis gold medals.

Serena captured the women's singles gold medal on Saturday, pummeling Maria Sharapova 6-0, 6-1. With that win, she joined Steffi Graf as the only women to capture a career Grand Slam and an Olympic gold medal, a feat dubbed the Golden Slam.

For a complete schedule of events and dates medals will be awarded, visit NBC Sports' official Olympic website. For complete coverage from the 2012 London Olympics, keep checking this StoryStream and visit SB Nation's Olympics hub.