When Serena Williams defeated her sister, Venus, in the Australian Open final, that was just Serena doing what she does best. It gave Serena, widely considered to be the greatest female tennis player ever, her 23rd Grand Slam singles title.
But that wasn't Serena's biggest milestone of 2017. On September 1, Williams gave birth to her first child, Alexis Olympia Ohanian Jr. Two and a half months later, she married Reddit co-founder Alexis Ohanian in a beautiful wedding in New Orleans, with many celebrities in attendance.