The star also explains why her grandmothers' cameos in the horror film are so special to her.

Warning: This article contains spoilers forImmaculate.

“I sat next to them,” Sweeney tellsEntertainment Weekly.

Sydney Sweeney with grandmothers attend the premiere of Neon’s “Immaculate” during Beyond Fest at The Egyptian Theatre Hollywood on March 15, 2024 in Los Angeles, California.

Sydney Sweeney with her grandmothers at the premiere of ‘Immaculate’.Amy Sussman/Getty

“I was very nervous to see what they were going to think.

That’s where things get very bloody…and very uncomfortable for Sweeney’s poor Grandy.

“It was both my Nana and my Grandy’s dream to go to Italy, to Europe.

IMMACULATE, Sydney Sweeney, 2024.

Sydney Sweeney in ‘Immaculate’.Neon/Courtesy of Everett

They’ve never traveled outside of the country that way,” Sweeney explains.

Neon/Courtesy of Everett

And ring the bells they did.

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