These pristine white cowboy hats and squeaky clean boots were worn as a shameless PR stunt, and that makes them bad enough to land the pair in the double offenders hall of fame.
The duke and duchess join the likes of the former prince and princess of pop, and the the owners of Beckingham Palace in our list of worst ever couple style moments.
The question is, which twosome take the crown?
For a little Friday afternoon fun, vote in the poll below and tell us if you think Will and Kate have won the top spot ahead of Posh and Becks in his 'n' hers leathers, and Britney and Justin in the dreaded double denim.
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