A rep for the athlete confirmed to PEOPLE that Williams and her fiancé, Reddit co-founder Alexis Ohanian, are due in the fall. After doing the math, the world discovered that meant the 35-year-old tennis legend won her 23rd Grand Slam singles title at the Australian Open in January while pregnant. She will sit out the remainder of the 2017 season and return next year, according to Reuters.
Stars and athletes quickly began tweeting out their congratulations. Here’s a few of the best:
“Serena Williams is a GODDESS SO HAPPY FOR YOU!!!!!” writes Rosie O’Donnell.
“There’s gonna be a baby GOAT….. We are so happy, and we know @serenawilliams will be a great mother,” penned Andy Roddick.
Roddick’s wife, Brooklyn Decker, chimed in: “She won a grand slam pregnant. I needed Andy to dress me, carry me, and delicately place me on the toilet when I was 4 weeks pregnant.”
“Me upon hearing @serenawilliams is preggers! CONGRATUFREAKINGLATIONS!!!” wrote Karlie Kloss.
Gabrielle Union tweeted out hearts and the caption: “THIS!!!!”
And, lastly, jokester Trevor Noah said: “So Serena cheated. Because that’s technically a doubles match.”