Heidi Klum is the reigning queen of Halloween, or should we say, Heidi-ween. With costumes that continue to get more and more elaborate each year, the model sets the bar high and her annual Halloween bash is truly one of the most highly-anticipated events of the season. This year, like always, Klum kept her costume for her Oct. 31 bash under wraps. Talking to SheKnows in early October, however, she gave three major hints about what’s to come.