Celebrity Halloween costumes are generally fun and creative, but some celebs take it too far. Hilary Duff and her boyfriend Jason Walsh are both under fire for dressing up as a sexy pilgrim and a Native American. Hilary has since apologized, but this is not the first time fans were outraged over a celeb's costume. There have been plenty of guilty offenders in the past — and you probably forgot all about them.
MUST SEE: Celebrity Couples With the Most Scandalous Halloween Costumes Through the Years
Click through the gallery to see controversial celebrity Halloween costumes throughout the years.
Fans on Twitter were outraged at this outfit that they thought made light of colonialism. "I meant no disrespect," Hilary wrote on Instagram. "I only have admiration for the indigenous people of America.”