She is generally pretty quiet about her private life, but after the whole Rupert Sanders situation, she did issue a very public apology, which was actually the first time she really even owned the fact that she had been dating Rob.
"I'm deeply sorry for the hurt and embarrassment I've caused to those close to me and everyone this has affected. This momentary indiscretion has jeopardized the most important thing in my life, the person I love and respect the most, Rob. I love him, I love him, I'm so sorry," she said in a statement.
Still, she stands by the mistakes she's made and she's owning them, regardless of what anyone says about her.
As the cover girl for the March 2014 issue of Marie Claire, Kristen finally opens up about love, fame and her personal life.
On Love: "You don't know who you will fall in love with. You just don't. You don't control it. Some people have certain things, like, 'That's what I'm going for,' and I have a subjective version of that. I don't pressure myself...If you fall in love with someone, you want to own them – but really, why would you want that? You want them to be what you love. I'm much too young to even have an answer for that question."
On Starting a Family One Day: "I had it too good to not have that, too. If I were to put money on it, definitely, yeah. But you earn that, like, that's so not here yet. I mean, at this point, I can't tell you if I want to hang out on Saturday."
On Her Past: "I stand by every mistake I've ever made, so judge away."
For more from Kristen, check out MarieClaire.com or pick up the new issue of the mag, on stands tomorrow.
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Gallery | Kristen Stewart's Red Carpet Style