Credit: Deano/Splash News Online

Mama said knock you out!

There was more drama than actual sparring at Tuesday's "Kardashians Charity Knock Out" in Commerce, Calif. -- where winning bidders at were slated to box select members of the Kardashian family. (Proceeds went to the Dream Foundation.)

In bright pink gloves and pale pink shorts, Kim Kardashian, 29, lost to her opponent. But she did better than sister Khloe and Scott Disick (boyfriend to Kourtney, pregnant with his child) -- who bowed out of scheduled fights after the night took an unexpected turn.

Brother Rob, 22, "was quickly floored by a barrage of punches" by a "much larger opponent," reports the UK's Daily Mail. By the end of the first round, the Kardashian family were shouting angrily, and Kim jumped into Rob's corner to demand that the fight end immediately.

The whole family then retreated backstage for over an hour as fans waited. When they emerged, stepdad Bruce Jenner and Kim eventually fought their bouts.

"The boxing match was crazy!" Kim Tweeted later that night. "I'm a little banged up today but all worth it for charity!!!"