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Elle Fanning plays Princess Aurora in her latest film, "Maleficent," but, it turns out, in real life she actually has royal blood.

Ancestry.com recently discovered the connection between Britain's royal family and the 16-year-old actress and her big sister, Dakota Fanning.

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"It's so weird," Fanning told E! News at the film's Hollywood premiere Wednesday night. "I saw it the other day. My cousins called me up and they were like, 'Look online!' I looked online and like King Edward III is my great-great-great-grandfather. I was like, 'Is this real?'"

What's more, the Fanning sisters are also distant cousins of Kate Middleton.

"It's crazy," Fanning told E!

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For Fanning, the news comes as a welcome surprise.

"I've always wanted to do the ancestry.com thing because I think it would be really cool," Fanning said. "But someone did it for me, which I think is great."