Yes, of course: Mary Sue-ism is all about being the centre of everyone's universe, particularly someone devastatingly attractive. Also, being interestingly conflicted and withholding oneself, because of the POWER! Teenage girls want to be in control. Particularly of powerful men who have the potential to completely control them.

So far absolutely the best take on Twilight that I've seen is by the Fug girls (http://gofugyourself.celebuzz.com/go_fug_yourself/2008/12/fuglight.html), who have snark down to a slightly flamboyant laser-scalpel art.