PHOTO Serena Williams expecting baby with Reddit co-founder

The greatest tennis player of all time is pregnant!

Serena Williams revealed on Wednesday that she is expecting via a baby bump photo shared to Snapchat.

The 35-year-old captioned the swimsuit image “20 weeks.”

Williams got engaged to Reddit co-founder Alexis Ohanian in December. She announced the news with a poem posted to the popular site:

I came home. A little late. Someone had a bag packed for me. And a carriage waited. Destination: Rome,” she wrote. “To escort me to my very own ‘charming.’ Back to where our stars first collided. And now it was full circle. At the same table we first met by chance. But by choice. Down on knee. He said 4 words. And I said yes.

This will be the first child for both. Congrats!