Leggings have become a firm fashion favourite with celebs over the last few years, but none have been fonder of the humble lycra sausage-holders than Beyoncé. Forget spending $20 at your local H&M though -- the singer wore a pair of gold, Balenciaga leggings in 2007 that were worth $100,000. And the singer's elaborate spending doesn't stop at clothes. She treated her husband, Jay-Z, to a $1.7 million Bugatti sports car for his 41st birthday.

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