What was Kathy Griffin wearing to Bette Midler's Hulaween benefit for the New York Restoration Project? "I'm dressed as Aunt Sam," she explained. "It's a statement about Prop 8. I don’t know if I’m an uncle or an aunt, and I will not be put into a box." That settles it! See costumes on Michael Kors, Bette Midler, Pink, and others by clicking through our Party Lines slideshow.