Serena's newborn girl already has an Instagram following

Only a week after introducing their baby girl Alexis Olympia to the world through Instagram, proud parents Serena Williams and Alexis Ohanian are ready to share more of their little Grand Slam champ—through her own account.

Yes, nearly three-week-old Alexis has made her social media debut with her own Instagram page. She's even verified already.

Of course, mom and dad will have to do the heavy lifting—despite what her onesie says. One of the most popular infants in the world, she already has nearly 50,000 followers.

Ohanian Sr. recently shared just how much the experience of parenthood means to him.

It’s no secret that Williams is a huge fan of the platform. Whether it’s karaoke or baby-introducing, she knows how to share what’s going on with the masses, especially through her “Insta Stories.”

She recently took to Twitter, though, to express her sense of wonderment on the journey thus far.

It looks like the 36-year-old is more than ready to make this new adventure a joyous one.

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