Hilary Swank HSWANK120506_01.jpg
a) Dropping out of high school nullified her eligibilty to be elected Homecoming Queen, so she's re-living her stolen youth.
b) She's filming a scene from her new movie P.S. I Love You.
c) Carrying around two Oscars can get a little tiresome, the tiara still lets people know "I'm a two-time Academy Award winning Actress and I deserve to be treated as such, dammit!" without having to lug the cumbersome statues.