Today is Halloween, and I have a confession to make guys: I don't have a costume ready. I'll admit it, I totally bottled it this year and as a result, I'm going to be feeling pretty sheepish when I head out to a costume party later today. Still, it's hardly surprising that I've chickened out at the last minute: not only are decent Halloween costumes usually pretty expensive; there's also the fact that you might end up inadvertently offending somebody with your outfit. What might seem to be a bit of fun or a daft joke to you might end up being fairly offensive to somebody else. You just never know. Sadly, even celebrities aren't totally immune to this, and over the years quite a few of them have been accused of being tone-deaf, or of insensitivity or cultural appropriation. So if you want to find out what sorts of costumes you should be avoiding this Halloween, then scroll down to check out a few of the worst offenders out there. 1. Lily Allen as Dr Luke [[twitterwidget||https://twitter.com/DailyMailCeleb/status/528144541421813760]] 2. Luann De Lesseps as Diana Ross [[twitterwidget||https://twitter.com/FidTradZ101/status/1056350388549431296]] 3. Kim Kardashian as Aliyah [[twitterwidget||https://twitter.com/enews/status/926612048548679680]] 4. Ellie Goulding as a native American [[twitterwidget||https://twitter.com/mselizaday/status/528404577142333440]] 5. Ashely Benson as Cecil the lion [[twitterwidget||https://twitter.com/szaulo/status/658740460823949313]] 6. Hilary Duff as a pilgrim [[twitterwidget||https://twitter.com/HilaryDuff/status/792158501372125184]] 7. Heidi Klum as Kali [[twitterwidget||https://twitter.com/TehlohSuwi/status/1057612808613847040]] 8. Harry Hamlin as Sid Vicious [[twitterwidget||https://twitter.com/eurorabbit/status/660633809986166785]] However, it's not all bad. The good news is that some celebrities have been doing Halloween costumes properly this year. Take Joe Jonas for instance, who <a style="color: #0000ff;" href="http://vt.co/entertainment/celebrity/joe-jonas-dressed-as-fiance-sophie-turners-game-of-thrones-character-for-halloween-and-its-incredible/" target="_blank" rel="noopener">wowed us all at a recent Halloween party by dressing up as Sansa Stark</a> - the character played by his fiancé Sophie Turner on HBO's series Game of Thrones.

Here are the 8 most controversial celebrity Halloween costumes of all time

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