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In the July 2009 issue of Vogue, Sienna Miller gets serious about her career -- and sheds some light on her personal life. The Brit beauty with the bad reputation talks about her upcoming Hollywood blockbuster ("G.I. Joe: The Rise of Cobra") and Broadway, as well as her love life, the "Nannygate" scandal with Jude Law and regretting many of the mistakes she's made. The July issue of Vogue hits newsstands in New York and Los Angeles on June 16 and nationally on June 23, but you can check out juicy excerpts from the interview below.

On stripping out of her knickers on film:

"I don't think I feel comfortable getting naked now. I can see where I made the decision to make that film three years ago, but then you grow up and evolve and your tastes change. I was in this period where I was making movies back-to-back because I didn't want to be at home. Anything not to be in London. I was running away."

On Jude Law and "Nannygate":

"That was a very pivotal time in my life, and I'm happy saying that. It's a private moment when you get your heart broken for the first time, and that was the absolute antithesis of private. It couldn't have been more public! I had people on the street being like, ' 'Ang in there, loov!' and all you want to do is crawl into a cave and weep for a week."

On her 'slaggy' reputation:

"I've made some bad choices and done some stupid things."

On falling in love on every non-date:

"I've actually never been taken on a date in my whole life. I have never had a one-night stand. I'm a real relationship person -- contrary to public perception. I'm either in one or I'm not. I get kind of emotionally involved very quickly, and I'm not going to spend time with someone unless I love them. But it's not hard for me to fall in love."

On "G.I. Joe" and filming with a crew of 1,000:

"Initially I was terrified. It was so out of my comfort zone. Everything gadget-wise that I had to use actually worked. I had these little guns, and if I fired them, lights came up and they made a sound. It was Disneyland for grown-ups."

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