Controversial Halloween costumes: All the outfits celebrities probably regret (or should, anyway)

Off-color Halloween costumes happen every year, and repercussion is usually in the form of disapproving looks -- but for celebrities, the embarrassment lives on well past October 31.

From intentionally-provoking to (presumably) well-intentioned mishaps, famous faces occasionally miss the mark as they select their Halloween ensembles.

In some cases, the outfits are obviously a mistake, like Prince Harry's infamous 2005 costume. But in others, like with Hilary Duff in 2016, it's more about the timing. Take a look in the gallery below.

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