By A Mystery Man Writer
The tennis champ previously joked about her changing body during her second pregnancy.
Stars Who Have Showed Off Their Baby Bump in Style
Tennis ace Serena Williams shows off her growing pregnancy belly
Venus Williams accidentally gives away sex of Serena Williams
Serena Williams Shows Off Her Baby Bump in Casual Workout Session
Serena Williams Flashed Miles Of Toned Legs In A Cute Minidress
Serena Williams confirms she's expecting second child with baby
Serena Williams Heads to the Beach After Revealing Pregnancy
Serena Williams' Black Dress Allowed Her Growing Baby Bump To Shine
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