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Charlize Theron Reveals Her True Prince Charming

05/16/2012 at 09:00 AM EDT

If it seems Charlize Theron is living a fairy tale, she is – complete with a perfect prince of her own choosing.

"My prince charming is my pit bull, Blue," the Snow White and the Huntsman star tells InStyle in its June issue, on newsstands May 18.

But, as with any fairy tale, the new mom to son Jackson has some evil to contend with, and its name is "Italian gelato. It's in my freezer, screaming at me all night long, 'Eat me, eat me, eat me!'"

As for a happily ever after? She has one of those, too. It's "getting to do exactly what I want to do and not having to explain it to anyone."

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