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Halloween: Taylor Swift, Katy Perry, Justin Bieber & more celebs go all out (photos)

Halloween isn't just for kids as Hollywood celebrities use the day to try and outdo each other with the wildest and most original costumes at exclusive a-list parties.


The stars took to social media to share their weird and wonderful costume creations.

Jessica Alba rocks out in a Slash costume.

Justin Bieber as Mighty Morphin Power Ranger

Kate Hudson hosted one of the biggest haloween parties this year. She says her costume was inspired by hit US show, Sons of Anarchy. 

Katy Perry was awarded the 'best costume of 2014' award for her original 'cheeto' chip costume.

Rapper Kanye West and his wife Kim Kardashian dressed their first child North as a skunk. 

Taylor Swift dons a white unicorn costume.