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Charlize Theron is officially off the market ... and it's been that way for a while!

Us Weekly is reporting that Sean Penn popped the question (and Charlize accepted!) in November while the couple was in Paris.

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But one thing you won't be seeing anytime soon: An engagement ring. Charlize has said in the past that she doesn't need a huge rock on her hand.

"There's no ring, but they are committed," a source told Us. Sean, 54, and Charlize, 39, simply "decided to take their relationship to the next level," the source added.

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And don't expect nuptials anytime soon, either. Much like the ring -- or lack thereof -- another non-necessity for Charlize, it seems, is an actual wedding. In June, the "A Million Ways to Die in the West" star told Vogue that long-term relationships are her thing, but that whole walking-down-the-aisle thing isn't.

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"Let's put it this way: I never had the dream of the white dress. And watching other people getting married? I think it's beautiful for them, but to be quite honest, usually I'm sitting there just devastated," she said. "It's supposed to be this night of celebrating love, and all you see is a couple separated all night making sure everybody else is okay."

She continued, "It just looks like a lot of work. And as you get older, you start sifting through the stuff that really matters."