'Jackass' star Bam Margera has been hospitalized after being attacked by a bat-wielding woman.

It happened at 2 AM on Saturday morning, outside Bam's bar in West Chester, PA. There was some sort of fight, that ended when the woman allegedly hit Bam in the back of the head with a baseball bat.В 

The woman was arrested and charged with assault.В 

Bam was taken to the Chester County Hospital.В  His condition is unknown.

UPDATE: According to court documents, 59-year-old Elizabeth Ray faces the following five charges: Two counts of simple assault, two counts of recklessly endangering another person and one felony count of aggravated assault