From: www.dailymail.co.uk

By Daily Mail Reporter Last updated at 1:21 PM on 04th November 2009

The brunette, famous for her curves, swapped her heels for a pair of boots as she faced her opponent, who had made the highest bid in a charity auction.

She's a knock out: Kim Kardashian gets into the boxing ring for a match against the highest bidder in a charity auction in California yesterday

But despite dressing for the occasion in bright pink gloves and pale pink boxing shorts, the 29-year-old failed to win her bout.

The match nearly didn't happen after Kim's brother Rob Kardashian was first to take to the ring.   More... How does Jennifer Lopez keep her fantastic figure? Pizza! Boyfriend Danny is first to congratulate nervous Kelly Brook as she gets her buns out on Calendar Girls opening night