Big kids seem to take Halloween far more seriously than little ones.
Or at least that was the case in Naomi Watts' family.
The actress, who was dressed as a clown, was accompanied by her partner Liev Shrieber in a Grim Reaper costume.
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But their sons Sasha, four, and Sammy, nearly three, didn’t seem too impressed with parents' fancy dress.
Whilst their mum and dad laughed and giggled, the boys looked rather underwhelmed by the whole proceedings.
Other celebs getting into the Halloween spirit included Calista Flockhart and Harrison Ford, who stepped out as Eighties rockers.
Meanwhile, Miranda Kerr donned a basque and top hat to celebrate the occasion.
It's a little princess!