Katherine Schwarzenegger shares throwback Halloween family photos

Katherine Schwarzenegger shared a series of family photos from her childhood in honor of Halloween.

The star included a photo of herself and her three siblings posing with their parents, mother Maria Shriver and father Arnold Schwarzenegger.

The best-selling author donned a witch costume and joined younger siblings Christina as Catwoman, Patrick as Batman, and baby Christopher as Robin.

Shriver looked stunning in her Cruella de Vil costume, while Arnold went casual in jeans and a black half-zip sweater.

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He added captions to the slideshow he shared Instagram, “We’re getting into the spooky spirit. Pumpkin patches, tacky jeans, and some little ones who take Halloween very seriously. The countdown to candy begins…now.”

The star included a different Halloween throwback, this time with Shriver wearing an Evil Queen costume.

Another photo showed Shriver wearing a cow costume, Schwarzenegger wearing a fairy costume, and his brother wearing a Barney costume.

The star included a photo of herself and her three siblings posing with her mother Maria Shriver and father Arnold Schwarzenegger. (Katherine Schwarzenegger/Instagram)

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Shriver’s mother, the late Eunice Kennedy Shriver, also appeared in the family photo.

The author, who is married to actor Chris Pratt, smiled as she posed for today’s photo wearing jeans and a blouse with Halloween stickers on it.

The author, who is married to actor Chris Pratt, smiled as she posed for today’s photo wearing jeans and a blouse with Halloween stickers on it. (Katherine Schwarzenegger/Instagram)

Schwarzenegger also shared a glimpse of his family visit to the pumpkin patch, where his daughters Lyla and Eloise were photographed.

Katherine, Chris and their children were joined by her brother Christopher at the Los Angeles-area pumpkin patch.

Schwarzenegger and Pratt also share son Ford.

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Schwarzenegger married Pratt in June 2019 after they began dating the previous year.

They welcomed daughter Lyla in August 2020, Eloise in May 2022, and son Ford in November 2024.

Pratt is also the father of son Jack, whom he shares with ex-wife Anna Faris.

Chris Pratt and Katherine Schwarzenegger married in 2019. (Michael Kovac/Getty Images for Cleobella x Katherine Schwarzenegger)

He said Ford turned 8 on November 1 and became a “crawling maniac” People.

“It attracts everything and gives me a heart attack. It’s a crazy and beautiful experience to have something new every day. No day is the same,” the author added.

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Lyla and Eloise take their role as big sisters seriously and help mom Katherine.

“[They] I’m obsessed with holding him and taking care of him. [him]” she explained. “Eloise is my bath time helper, and Lyla is always helpful when it comes to holding her.”

Their sibling bond reminds him of his bond with his family.

The star included a different Halloween throwback, this time with Shriver wearing an Evil Queen costume. (Katherine Schwarzenegger/Instagram)

“It reminds me of all the fun I had with Patrick growing up, and of course I’m a little older than Christopher, but I had a lot of fun with him too,” he said.

“It’s the biggest blessing that I have such a close relationship with my sister and both of my brothers, and I’m so grateful to be able to watch our kids be similar ages and have fun with each other,” Schwarzenegger said.

She captioned the slideshow she shared on Instagram: “Getting into the spooky spirit. Pumpkin patches, tacky jeans, and some little ones who take Halloween very seriously. The countdown to candy begins…now.” (Katherine Schwarzenegger/Instagram)

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Schwarzenegger has written his third children’s book, “Kat and Brandy,” which will be published on November 4.

He also wrote the books “Good Night, Brother” and “Maverick and Me.”

The star has also penned three non-fiction books: “I Just Graduated… Now What?”, “Stone What You Have” and “The Gift of Forgiveness.”

In June 2025, Katherine, along with siblings Christina, Christopher, and Patrick, supported dad Arnold at the “Fubar” Season 2 premiere in Los Angeles. Her husband, Chris Pratt, also attended. (Charley Gallay/Getty Images for Netflix)

In June 2025, Katherine, along with siblings Christina, Christopher, and Patrick, supported dad Arnold at the “Fubar” Season 2 premiere in Los Angeles.

Pratt attended the premiere.

Schwarzenegger’s half-brother Joseph Baena was also at the premiere and posed with dad Arnold.

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