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She's famous for her luxury lifestyle and  love of the finer things in life. But it seems impending motherhood has dampened  Kim Kardashian's passion for splashing the cash.

The reality TV star, who is 14 weeks  pregnant, revealed that she uses cheap and cheerful Bio-Oil to keep her skin  looking youthful and to fight off stretchmarks.

'It prevents wrinkles around my eyes and  stretchmarks over my body,' the mother-to-be said of the $12.95 oil.

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