That's how many Grand Slam singles titles Williams owns as of Saturday.
"I thought, 'I hope I got the number right,' " she said. "You know me: I tend to forget."
That's OK, Serena. The way you're accumulating championships, it's tough to keep track.
With a superb serve that had other greats of the game gushing, and plenty of offense and defense to back it up, the No. 1-ranked Williams overwhelmed No. 21 Vera Zvonareva of Russia 6-3, 6-2 in Saturday's final to win her fourth Wimbledon title and, yes, 13th major tournament overall.
That's the most among active women and gives Williams sole possession of sixth place on the all-time list, breaking a tie with her former U.S. Fed Cup captain, Billie Jean King. Addressing King, who was in the front row of the Royal Box, Williams said: "Hey, Billie, I got you! This is No. 13 for me now. It's just amazing to able to be among such great people."
The American did not drop a set over two dominant weeks at the All England Club.
She's won five of the past eight Grand Slam tournaments, including two in a row at Wimbledon, where she also was champion in 2002-03.
Williams and her older sister, Venus, have won nine of the past 11 titles at the grass-court Grand Slam tournament.
"Everywhere we look, there's another Wimbledon trophy," Williams said, rolling her eyes. "I'm, like, 'Ugh, not one of those again.' "
Williams was kidding, of course. Maybe she also was joking when she said Friday that she'd prepare for the final by relaxing and watching the TV show Desperate Housewives . In the end, her victory over Zvonareva lasted only slightly longer than an episode -- 67 minutes -- and was rather short on drama.
Both women hit the ball with plenty of force from the baseline and, after 21 minutes, they were tied at 3-all.
Then, turning it on, Williams reeled off eight of the next nine games to seize complete control and add to her collection of championships.
They include five Australian Opens, three U.S. Opens and one French Open.