Last updated at 15:28

Serena Williams reveals name and picture of baby girl

Serena Williams and baby AlexisINSTAGRAM

Tennis star Serena Williams has released the first image of her newborn daughter Alexis on Instagram.

The 23-time grand slam singles champion gave birth to her first child on 1 September.

Serena and her fiancé Alexis Ohanian have named their daughter Alexis Olympia Ohanian Jr.