Hilary Duff, Scott Disick, and More Stars’ Most Controversial Halloween Costumes

Hilary Duff and Jason Walsh dressed as a Native American and a sexy pilgrim.

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.”

Chris Brown dressed as a terrorist.

Back in 2012, the R&B singer came under fire for this Taliban-inspired group costume.

Colton Haynes dressed as Kanye West and Gandhi.

The Teen Wolf star received backlash for these costumes, which both depict "blackface" and "brownface." However, he later apologized. "I got in trouble for a few of my costumes in the past. I wasn’t aware I was offending people," he said in 2013. "That wasn’t my intention at all."

Scott Disick dressed as a sheik.

Back in 2014, Scott and Khloé Kardashian posted this photo with the caption, "Sheik p—y." Demands for the photo to be taken down were ignored.

Macklemore dressed as a Jewish man.

In 2014, the rapper apologized for offending fans with his costume. "I acknowledge how the costume could, within a context of stereotyping, be ascribed to a Jewish caricature," he wrote on his website. "I am here to say that it was absolutely not my intention, and unfortunately at the time I did not foresee the costume to be viewed in such regard."

TOWIE's Amber Dowding dressed as a suicide victim.

The British star apologized for upsetting fans, who thought she was making light of mental illness. "I am sorry if I have upset anyone. As you will see in my next picture I am a prisoner and they are cuts from the handcuffs," she explained on Instagram.

Prince Harry dressed as a Nazi.

The prince's controversial Nazi costume made tabloid news back in 2005.

NBA player Dwyane Wade dressed as Justin Timberlake.

The basketball player's fans didn't quite know what to make of his "whiteface," and they made sure to let him know on Twitter.

Julianne Hough dressed as "Crazy Eyes" from Orange Is the New Black.

Julianne sported brown face makeup for this controversial 2013 costume. “It certainly was never my intention to be disrespectful or demeaning to anyone in any way," she later said. "I realize my costume hurt and offended people and I truly apologize.”

X Factor's Ryan Ruckledge dressed as "dead" pop singer Cilla Black.

Ryan shocked fans with this costume that depicted the late singer as a decomposing corpse. His Twitter followers did not share his humor. "I’m all up for a joke but this is insensitive -she’s only been gone a couple of months," a fan wrote.

Lily Allen dressed as Dr. Luke.

In 2014, Lily sported a gynecologist outfit with the tag "Dr. Luke," the name of the producer Kesha accused of rape. Many fans thought she was mocking the singer's sexual assault lawsuit.

Ellie Goulding dressed as a Native American.

In 2014, when the singer posted this picture to Instagram, her fans had an issue with her wearing a Native American headdress. She defended her costume by saying she only wore it for "five minutes."

Lisa Rinna and Harry Hamlin dressed as Sid Vicious and Nancy Spungen.

Although the couple's depiction of infamous punk singers Sid and Nancy were spot-on, many fans were not happy with Harry's Nazi shirt.

Heidi Klum dressed as a Hindu deity.

Many Hindu fans were outraged at the model's depiction of "Kali," a goddess they said was too sacred to be used for a Halloween costume.

Lena Dunham dressed as a "Grabbed Pussy."

Some of the actress' Instagram fans lashed out at the Girls star for making light of sexual assault with her costume, which was a reference to Donald Trump's "grab them by the pussy" comment.

NEXT: Nicki Minaj, Coco Austin, and More Stars' Most Revealing Halloween Costumes of All Time