There's a good deal of support for Parker Posey, who played Lex's sidekick Kitty. Alexis Bledel of 'Gilmore Girls' had some fans as well ("the one actress who looks younger than Bosworth" wrote one respondent). My vote was for Bledel's "Gilmore" costar Lauren Graham. Visit this never-dull blog and chime in.
(image of Kate Bosworth in Blue Crush from movies.about.com)