The tennis champ previously joked about her changing body during her second pregnancy.
Serena Williams proudly shows off her bare baby bump in crop top
Serena Williams Shows Off Her Baby Bump in Casual Workout Session
Serena Williams shares adorable video telling Olympia she's
Venus Williams accidentally gives away sex of Serena Williams
Pregnant Serena Williams shows off ever-growing baby bump in gym
Serena Williams Heads to the Beach After Revealing Pregnancy
Pregnant Serena Williams shows off ever-growing baby bump in gym
Pregnant Serena Williams shows off her baby bump in naked Vanity
Serena Williams & Her Baby Bump Get Out On The Water
Serena Williams and Alexis Ohanian melt hearts with stunning