Sweet Sixteen

Okay, well my birthday is exactly a year from now and i know i have to plan the hall at least 6 months before so their are so many places to look at.
My question is how do i have a club sweetsixteen with a princess theme?????
HELPP ME PLEASEE
And my second question is where can i find a nice clean hall in queens (not including jamaica or richmond hill, nor queens village) that i can cater my own food not expensive for about 150 people???
I would really appriciate the help thank youuuu