While filming scenes for her upcoming reality show last week, Bristol Palin did what any aspiring TV star would: she went to a bar to ride a mechanical bull. What followed, however, wasn't as expected: With the cameras rolling, the 20-year-old got into a heated confrontation with an extremely agitated heckler who called Palin's famous mother a "whore." Now, as Perez Hilton questions the legitimacy of the moment, we wonder if the whole scene was real or staged.
