Alexandra Daddario just checked into her newest chapter: motherhood. The "White Lotus" actress shared she and husband Andrew Form have welcomed their first baby together, announcing the news Oct. 31 with a cheeky Halloween shoutout.

Alexandra Daddario is basking in the joy of new motherhood, as the White Lotus star recently revealed that she and her husband, Andrew Form, have welcomed their “rainbow baby” into the world

Congratulations are in order for The White Lotus star Alexandra Daddario, who has announced the birth of her child. The star shared the happy news that she and husband Andrew Form have become parents, posting a Halloween nod with a picture of the wrapped-up newborn surrounded by sweets.

Congratulations are in order for Alexandra Daddario! The White Lotus actress just welcomed her first child with her husband, Andrew Form, announcing the happy news with a super sweet photo on Halloween.

Baywatch star Alexandra Daddario has given birth to her first child with husband Andrew Form, after previously opening up on the "painful" experience of suffering a miscarriage

I think Alexandra Daddario 's baby is going to fit right in with the Mayfair Witches, because the actress announced their birth on Halloween! Taking to Instagram to post an adorable photo of her bundle of joy, Daddario also added a cheeky caption that's perfect for spooky season.

The actress, 38, shared the news of the arrival of her first child with her husband, film producer Andrew Form, 52, on Instagram, alongside a snap of the newborn

White Lotus alum Alexandra Daddario welcomed her first baby with husband Andrew Form, she announced in Instagram Oct. 31.

Alexandra Daddario has welcomed her first child with husband Andrew Form, announcing the news via a Halloween-themed Instagram post

Alexandra Daddario gave birth to her first child, sharing the baby news in an Instagram post on Halloween. She posted a photo of her newborn, surrounded by small chocolates. "I thought this was a weird bowl of candy,