Get ready for cuteness overload.

Serena Williams is many things – Greatest Athlete of All Time, Beyonce’s BFF, Proud Mom, and…sandbox champion?

The tennis champ recently sent our ovaries into full overdrive on Instagram when she posted a photo of herself enjoying a playdate in the sandbox with her daughter Olympia.

The photo, which Williams posted to celebrate reaching 10 million followers on Instagram, shows baby Olympia all smiles and decked out in an adorable onesie that reads “More Issues Than Vogue” (as her proud mommy looks on.

This isn’t the first time Serena and baby Olympia have had fun in the sand together. Serena shared a photo of the mommy-daughter duo “working out” in the sandbox last month.