Williams took the court at Wimbledon for Day 5 of the historic tennis tournament in London and her husband couldn't help but show his excitement in the stands!

ET caught up with the tennis superstar at the Desert Smash celebrity tennis event, where the new mom is back to work after taking 14 months off.

The tennis champ opened up to ET about the joys of motherhood since welcoming her daughter, Olympia, at the Desert Smash on Tuesday. This year's event benefits The Yetunde Price Resource Center and Sophie's Voice Foundation.