The former tennis star was seen cheering on Novak Djokovic after he won the men’s singles competition against Carlos Alcaraz.
In addition to being the greatest of all time, Williams is famous for being an Olympic medalist, having collected four golds throughout her career.
She and her sister Venus Williams won the women’s doubles titles in the 2000, 2008, and 2012 Olympics, respectively, in Sydney, Beijing, and London.
At the 2012 London Olympics, Williams won the gold medal in women’s singles, giving her a total of four medals.