Angelina Jolie

Angelina Jolie may be a humanitarian, a mother of six children and a loving partner to Brad Pitt, but the Academy Award-winning actress says she's lucky to even be alive.

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"I went through heavier, darker times and I survived them," Jolie says in an interview on 60 Minutes slated to air Sunday. "I didn't die young, so I am very lucky. There are other artists and people that didn't survive certain things."

While Jolie is shy to say exactly what those certain things entail, she says, "People can imagine that I did the most dangerous, and I did the worst... for many reasons, I shouldn't be here."

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Despite her seemingly stable life, Jolie says, "I'm still a bad girl. I still have that side of me... it's just in its place now... it belongs to Brad [and] our adventures."

Check out a sneak peek of Jolie's interview on 60 Minutes, airing Sunday at 7/6c on CBS.