Happy Halloween! We hope you all have your costumes ready and are gearing up for an exciting Saturday night. We listed out all the reasons why Halloween is so huge this year, but now we want to know how you would like to spend the evening. Heidi Klum's party will be especially star-studded this year since Kate Hudson is canceling her bash to attend the World Series. Robert Pattinson is somewhere in LA and all the celebrity kids will be out and about all dressed up. So tell us — who would you like to hang out with this Halloween?