Sweet 16 Birthday Dinner?!

My 16th birthday's at the end of October, and this year my parents are gonna let me do something for it because they don't want to get me any gifts this year. So I want to invite like 30ish people, so at least I know 10 will probably come. My parents said it has to be all girls too. And I want everyone to dress kinda fancyish, like wear a dress. So I need a restaurant that's kinda fancy and has good food, but not something so expensive that it breaks everyone's budget, cause I'm telling everyone to pay for themselves.

So what restaurants would you suggest that would be good? :)