They love attention, they love dressing up - so it's no surprise that the A-list has a field day when it comes to Halloween. See our pick of the best - and worst - costume efforts this weekend.
What the celebs wore for Halloween
The Heidi Klum and Seal were unrecognisable at their 11th annual Halloween bash. Seal morphed into super hero the Silver Surfer, while Klum opted for Electra from Starlight Express.
What the celebs wore for Halloween
Seal poses with Ice T, dressed as Dr Frankenstein, and his wife Coco, who looked nice and understated as his nursing assistant.
What the celebs wore for Halloween
Kim Kardashian was also out to celebrate with Heidi and Seal, opting for a not-so-innocent Little Red Riding Hood.
What the celebs wore for Halloween
Peacock Tori Spelling and a Wolverine-clad Dean McDermott were out to celebrate with their son and daughter at the 17th Annual Dream Halloween party.
What the celebs wore for Halloween
Also in attendence, Jamie Lee Curtis looked right at home in her bright orange and white cheerleading outfit.
What the celebs wore for Halloween
When you're Lady Gaga, everyday is like dressing for Halloween. So what look do you rock when is actually is Halloween? A blood-clad Cruella de Vil, naturally.
What the celebs wore for Halloween
Here in Blighty, we might not take Halloween as seriously as our counterparts on the other side of the pond, but party host Jonathan Ross made a valiant attempt.
What the celebs wore for Halloween
The same can't be said for Strictly host Claudia Winkelman, who turned up to Ross' soiree in a half-hearted costume. Please try harder!
What the celebs wore for Halloween
What the celebs wore for Halloween
And what's going on here Connie? Although we admit she looks glam in this one-shoulder dress worn to Ross' party, it hardly qualifies as a Halloween costume!