Brie Bella
Brie Bella put on her best Cruella de Vil impression while she dressed son Buddy, born in August, in a Dalmatian costume. You can spot him if you swipe through.
Maren Morris
Maren Morris showed fans how she and her husband, Ryan Hurd, transformed their son into Harry Potter, aka \"The Boy Who Lived.\" Spoiler alert: Hayes, who was born in March, is a Gryffindor just like the main character of the books and movies.
Gigi Hadid
Gigi Hadid, clad in a costume of Samus Aran from Nintendo's \"Metroid\" video game series, shared a family photo of boyfriend Zayn Malik and their 1-month-old daughter for Halloween. While the former One Direction singer dressed as a \"Harry Potter\" character, their bundle of joy was a tiny version of the Incredible Hulk.
![\"PHOTO:](\"http://a.abcnews.com/images/GMA/hadid-malik-halloween-ht-ps-201102_1604332274617_hpEmbed_4x3_384.jpg\")
gigihadid/Instagram
PHOTO: Gigi Hadid and Zayn Malik shared a family photo on Instagram while celebrating daughter's first Halloween, Oct. 31, 2020.
Jesse Tyler Ferguson
While Jesse Tyler Ferguson rocked a \"Jurassic Park\"-themed outfit, husband Justin Mikita looked fabulous a T-Rex costume while son Beckett, born in July, was an adorable baby dinosaur hatching from an egg.
Nikki Bella
Just in time for the return of \"The Mandalorian,\" Nikki Bella's son Teo, born in August, dressed up as The Child, aka Baby Yoda. The Force is strong with this one.
Ciara
Ciara's newest member of her family, son Win, was the most precious puppy for Halloween. \"The Sweetest Widdle Pup,\" she wrote alongside a video of the little guy, who was born in July.
Lea Michele
Lea Michele took to Instagram over the weekend to share a photo of her \"little lion man.\" Back in August, she welcomed son Ever with husband Zandy Reich.
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