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Serena Williams and Alexis Ohanian have an adorable little flower girl [2] on their hands! The couple recently celebrated Alexis's sister's wedding [3], where their 2-year-old daughter [4], Olympia, had an extraspecial role.

"She took her flower girl job very seriously!!!" Serena wrote on Instagram, along with photos of Olympia in a cute pink dress. The toddler even matched Mom's bridesmaid dress! Olympia went through all the right wedding activities on the big day — she held a bouquet, threw the flower petals, and took a break on the floor. We feel you, girl. Weddings are hard work! Swipe through the gallery above to see all of Serena's sweet snaps from the happy event.