Knuckle bling is back in a big way thanks to Madonna's latest splurg on a 258 'M-dolla' ring designed by Chopard. Featured on her new album, Hard Candy, the pop superstar shows she knows how to spend her money even after years at the top of celeb ladder. The Swiss jewellers are a favourite with Madonna - they designed a diamond necklace for her Confessions on a Dance Floor tour. It would be nice to see a celebrity choosing some other gemstone other than diamonds - has nobody heard of sapphires, rubies or emeralds? Mind you the sheer size of knuckle ring and the fact that it contains 258 hard diamonds makes it an ideal weapon for punching paparazzi. Fancy your own paparazzi punching ring, head on over to the Chopard website.

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