Keira Knightley loves getting down and dirty on the dance-floor.The sexy actress says she likes jumping around and getting "very sweaty" when she goes out partying at night.She explained to America's Cosmopolitan magazine: "I'm one of those people who goes to a club and gets very, very sweaty and makes a complete fool of herself."I hate people who stand there and just kind of swish with their perfect hair and perfect make-up. They're not real girls, are they?"Meanwhile, Keira has confessed she is such a shoeaholic she even buys pairs that don't fit.The stunning actress is so obsessed with footwear she has splashed out on too big and too small shoes just so she can look at them in their boxes.The brunette star also revealed she buys so many shoes she doesn't even get to wear them all.

She said: "I have shoes I've never taken out of the box. I even have shoes that don't fit."

"I look at them and go, 'Oh it doesn't matter that I can't wear them - they're so pretty!'"

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