With Heidi Klum showing off a gruesome Halloween costume, there was an opening available for the lighter, fairytale route when it came to the weekend's fancy dress parties.
Stepping in to fill it was Gwen Stefani who made a very convincing Cinderella as she attended Kate Hudson’s star studded soiree in Beverly Hills.
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She looked dreamy in a pastel blue gown from the fairytale, which was draped with jewels.
She topped off the costume by placing a crown on her sleek blonde up-do.
Meanwhile, in a land, far, far away, Kim Kardashian was pulling out all the stops with her look.
Her voluptuous curves were poured into a Poison Ivy costume – inspired by the character who tries to seduce Batman.
Smouldering behind her mask, she posed next to friend and E! TV personality, Jonathan Chebin.
Elsewhere, a theme of celebrity homages ran through Halloween, with Jennifer Love Hewitt and boyfriend, Jared Einsohn, dressing as Angelina Jolie and Brad Pitt.
Nicole Richie was also swathed in velour and bling, channelling Jennifer Lopez circa her Jenny from Block era.
It's a little princess!