The Great Global Greyhound Costume Competition sees canines dressed up in a bid to highlight the plight of retired racing Greyhounds that need re-homing.
The worldwide initiative has been won by a Wellington pooch for the last two years in a row.
So can the Kiwi capital make it a three-peat?
TVNZ1's Seven Sharp caught up with some competitors ahead of the big day in the video above.
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