Megan Hauserman's suit filed Monday in Los Angeles claims battery, negligence and intentional infliction of emotional distress. She seeks a jury trial and punitive damages.
The December incident can be seen on VH1's Web site billed as "Sharon and Megan's big fight." In the video, the women exchange insults, Osbourne pours a drink on Hauserman and then the two are surrounded by a rush of people.
The suit claims Osbourne hit Hauserman, pulled her hair and scratched her.
Hauserman's attorney Warren J. Binder said in an interview: "It's pretty hard to deny what happened on the video."
Phone calls and e-mails from The Associated Press to Osbourne's publicists were not immediately returned.
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