Mean Girls is arguably more memorable and lasting than anything from Hilary except maybe Lizzie McGuire, while Lindsay is currently much more prevalent in the media, but Hilary still has a decent chance to get her career together in the long haul.
It's hard to say!
Obviously Lindsay. She has become the poster child for the classic tale of a teen star gone bad. These days, anytime a young actress is seen getting into trouble, you can bet that Lindsay's name will come up.