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No Way Out, indeed.

Actress Sean Young was arrested at Sunday night's post-Oscars Governors Ball in Hollywood, TMZ reports.

The Ace Ventura: Pet Detective actress and Skating with the Stars alum, 52, got into a fight with a security guard and was later booked by LAPD for misdemeanor battery at the bash, which is thrown by the Academy of Motion Picture Arts and Sciences.

Before the scuffle, Young posed for shots at the bash with Brad Pitt, Angelina Jolie, Sandra Bullock and Michelle Williams. TMZ reports that Young (whose rehab stay was chronicled on Celebrity Rehab with Dr. Drew last year) actually did not have a ticket to the A-list event, and was asked to leave by security.

When she returned shortly thereafter, she got into an altercation with a security guard and slapped him; security made a citizen's arrest shortly thereafter.