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Nicole Kidman & Her Lookalike Sister Antonia Are Twinning in Early Halloween Party Photo

You’re not seeing double — but Nicole Kidman just posted a selfie with her sister Antonia Kidman, and the resemblance between the women might make you feel that way. Although the Big Little Lies star rarely shares photos of her younger sibling, she made an exception by posting a pic of the two doing something they prob did a lot together in childhood: playing dress-up!

On Tuesday afternoon, Nicole took to Instagram to share the cute snapshot of her with her sis. In the photo, the actress appears to wear a dirndl (or German folk-style dress) while Antonia rocks a classic skeleton costume. “Early #Halloween party with my sis and our families,” Nicole captioned the picture. Before long, fans began commenting on the strong genes in the Kidman fam. “Beauty runs in the family,” one fan said. “You two look so much alike. Sisters are the best,” another wrote, with a third gushing, “Twins!!! Gorgeous.”

While decidedly less is heard about Antonia than her high-profile big sister, she’s quite successful in her own field. An accomplished media personality and award-winning journalist, Antonia started as a researcher in New South Wales for the Today show before becoming a reporter for NBN Television. She has also authored two books — Feeding Fussy Kids, and The Simple Things: Creating an Organised Home, a Happy Family and a Life Worth Living.

Also, since Nicole and Antonia came together to post a Halloween photo, we’d be remiss not to mention their interesting connection to one of Nicole’s most beloved Halloween-month movies. In the 1998 cult-classic Practical Magic, Nicole played a witch by the name of Gillian Owens. Her sister, Sally, was played by Sandra Bullock. And as fans of the movie may well remember, Sally grew up to have two daughters of her own: older sister Kylie, who looked like her Aunt Gilly, and a dark-haired younger sister named (drumroll, please…) Antonia.

Since the character names are true to the Alice Hoffman novel the movie was based on, it’s just a cool coincidence. But between Nicole and Antonia’s rare selfie and this whimsical connection, we’re feeling pretty bewitched by the sisters right now.

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