You've got the costume, booked a party, and are pretty much prepped for your Halloweekend. Add the final touch to really make it a night to remember with this inspiring gallery of celebs making scary faces. From Kirstie Alley's contorted visage to Jessie J's ghostly countenance, we've got the candid (and some not-so-candid) snaps that'll help remind you to put your best face forward for this weekend's party pics. Get to practicing! (iVillage )
Photo: Via iVillage/Ray Tamara/Getty Images
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