Reporter Chris Shepard was the first to reveal the big news on Sept. 1, 2017, tweeting:
"Tennis star Serena Williams gives birth to a baby girl weighing 6 pounds, 13 ounces. Mom and baby doing well."
"Tennis star Serena Williams gives birth to a baby girl weighing 6 pounds, 13 ounces. Mom and baby doing well."
"Obviously I'm super excited," she said. "Words can't describe."
Labor was reportedly induced the following night.
She soon confirmed the pregnancy, later revealing that she'd be taking some time off from tennis. However, Serena's expected to resume her pro tennis career sometime in 2018.