halloween: the greatest hits 1. vivian ward in pretty woman 2. regina george in mean girls 3. britney spears in the oops music video 4. jersey shore's finest, snooki 5. christina aguilera in the dirrty music video 6. zenon and nebula from the iconic disney channel original movie, zenon: girl of the 21st century 7. manny santos in degrassi 8. a popstar, duh