Halloween hit Hollywood this week as the stars showed off their best costumes.


Paris Hilton dressed as Miley Cyrus, Miley dressed as Lil Kim and Ellen DeGeneres dressed as Nicki Minaj.



But one person whose costume didn't impress was Julianne Hough's. The 25-year-old actress came under fire after she stepped out in blackface makeup, dressed as "Crazy Eyes" -- a character played by African-American actress Uzo Aduba -- from "Orange Is The New Black. Hough apologized for her decision after news outlets criticized her choice of costume, saying, "I am a huge fan of the show 'Orange is the New black,' actress Uzo Aduba, and the character she has created. It certainly was never my intention to be disrespectful or demeaning to anyone in any way. I realize my costume hurt and offended people and I truly apologize."


In other news, Olivia Wilde and Jason Sudeikis announced that they are expecting their first child together. Wilde took to Twitter to thank fans, writing:



Also this week, the music world suffered a tremendous loss after news of Lou Reed's death surfaced on Sunday (Oct. 27). The legendary musician died at 71 in Southampton, N.Y., of an ailment related to his recent liver transplant. To celebrate his achievements, friends and fellow celebrities tweeted out condolences and shared their favorite Reed tunes with their followers.


See the best photos of the week below:




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  • Celebrity Photos: November 2013


    Hilary Duff was spotted grabbing pre-workout coffee before heading to the gym in Los Angeles on Nov. 1.




  • Celebrity Photos: November 2013


    Justin Bieber waved to his fans from the balcony of Copacabana Palace in Rio de Janeiro on Nov. 1.




  • Celebrity Photos: October 2013


    Zoe Saldana and husband Marco Perego looked totally in love walking around Los Angeles, Calif. on October 31.




  • Celebrity Photos: October 2013


    Kelly Osbourne embraced the dark side (and posed with her father, the Prince of Darkness) for Bootsy Bellows' Halloween party on October 31 in West Hollywood.




  • Celebrity Photos: October 2013


    Heidi Klum outdid herself with this old woman costume for her annual Halloween party, October 31 in NYC.




  • Celebrity Photos: October 2013


    Carmen Electra chose sexy for Bootsy Bellows' Halloween party on October 31 in West Hollywood.




  • Celebrity Photos: October 31


    Nicole Scherzinger dressed as Catwoman for Jonathan Ross's Annual Halloween party on October 31 in London, England.




  • Celebrity Photos: October 2013


    Matt Lauer dressed up as CJ, Pamela Anderson's character on "Baywatch," for the "Today" show Halloween special, Oct. 31.




  • Celebrity Photos: October 2013


    Sigourney Weaver attended the American Ballet Theatre Opening Night Fall Gala at Lincoln Center, NYC, on October 30.




  • Celebrity Photos: October 2013


    Bethenny Frankel, dolled up in pink, threw a princess themed Halloween party for her daughter and her friends on October 30 in New York City.




  • October Photos: October 2013


    Salma Hayek and Pierce Brosnan spotted on set of "How to Make Love Like an Englishman" in Los Angeles on October 30.




  • Celebrity Photos: October 2013


    Nicky Hilton wore a stunning blue floor-length gown to the American Ballet Theatre Opening Night Fall Gala at the David Koch Theatre in NYC, on Oct. 30.




  • Celebrity Photos: October 2013


    Maria Menounos looked gorgeous in white at the Oceana’s Partners Awards Gala 2013 held at the Beverly Wilshire Hotel in Beverly Hills.




  • Celebrity Photos: October 2013


    Blake Lively was seen leaving her hotel in Paris in mismatched prints on October 30, after being announced the newest face of L'Oreal.




  • Celebrity Photos: October 2013


    Lady Gaga spotted leaving her hotel dressed head to toe in black, complete with an oversized hat and mask on October 30 in London, England.




  • Celebrity Photos: October 2013


    Nicole Richie stunned in an an all-white ensemble at Chloé's first Los Angeles Fashion Show on October 29, after which she received the Chloé signature fragrance.




  • Celebrity Photos: October 2013


    Joe Jonas and girlfriend Blanda Eggenschwiler went for a walk through the East Village in NYC after grabbing lunch on October 29, amid reports the Jonas Brothers have broken up.




  • Celebrity Photos: October 2013


    Liam Hemsworth arrived on a flight at LAX Airport on Oct. 28 in Los Angeles, Calif.




  • Celebrity Photos: October 2013


    Melissa Joan Hart was seen out and about in New York City on Oct. 29.




  • Celebrity Photos: October 2013


    Amanda Seyfried and Justin Long joined forces at the Patron-sponsored LAByrinth Theater Company Celebrity Charades Benefit on Oct. 28 in NYC.




  • Celebrity Photos: October 2013


    Hailee Steinfeld attended the "Enders Game" premiere held at the TCL Chinese Theatre in Hollywood, Calif., on Oct. 28.




  • Celebrity Photos: October 2013


    Khloè Kardashian posed at the HPNOTIQ Glam Louder Meet & Greet in Los Angeles, Calif., on Oct. 28.




  • Celebrity Photos: October 2013


    Orlando Bloom and his estranged wife Miranda Kerr took their son Flynn for a walk together on Oct. 28 in New York City.




  • Celebrity Photos: October 2013


    Lady Gaga was seen leaving her hotel as she wore what looks to be a Halloween costume in London on Oct. 28.




  • Celebrity Photos: October 2013


    Kate Bosworth and her husband Michael Polish made the media rounds to promote their new film on Oct. 28 in New York City.




  • Celebrity Photos: October 2013


    Tom Hiddleston, Natalie Portman and Chris Hemsworth attended the "Thor: The Dark World" Germany premiere at CineStar on Oct. 27 in Berlin, Germany.




  • Celebrity Photos: October 2013


    Anne Hathaway got into the Halloween spirit as she decorated her house with spider webs and a ghost on Oct. 27 in Los Angeles, Calif.




  • Celebrity Photos: October 2013


    Angelina Jolie took her kids to pick up Halloween supplies in Australia on Oct. 26.




  • Celebrity Photos: October 2013


    Paris Hilton dressed up as Miley Cyrus for the Playboy Mansion Halloween party in Los Angeles, Calif., on Oct. 26.




  • Celebrity Photos: October 2013


    Kanye West arrived to a business meeting in his black Lamborghini on Oct. 24 in Los Angeles, Calif.




  • Celebrity Photos: October 2013


    Jenna Dewan-Tatum posed for fans and photographers outside 'Live! with Kelly' in New York City on Oct. 24.




  • Celebrity Photos: October 2013


    Michelle Williams attended the 2013 Whitney Gala & Studio Party in New York City, New York on Oct. 23.




  • Celebrity Photos: October 2013


    Robin Thicke and his wife Paula Patton left their New York City, New York hotel on Oct. 23.




  • Celebrity Photos: October 2013


    Kendall Jenner carried her new puppy as she joined her sister Kylie for some shopping at Fred Segal in Los Angeles, Calif., on Oct. 23.




  • Celebrity Photos: October 2013


    Taylor Swift arrived on a flight at LAX airport in Los Angeles, Calif., on Oct. 22.




  • Celebrity Photos: October 2013


    Natalie Portman attended the world premiere of "Thor: The Dark World" at Odeon Leicester Square in London on Oct. 22.




  • Celebrity Photos: October 2013


    Chris Hemsworth attended the world premiere of "Thor: The Dark World" at Odeon Leicester Square in London on Oct. 22.




  • Celebrity Photos: October 2013


    Pharrell Williams and Solange Knowles attended the launch of eBay's Future of Shopping event in New York City on Oct. 22.




  • Celebrity Photos: October 2013


    Alessandra Ambrosio gave a peek of her midriff in a 'Cali' crop top sweater as she headed out on a stroll in Los Angeles, Calif., on Oct. 22.




  • Celebrity Photos: October 2013


    Alyssa Milano visited the Sirius Radio studios in New York City, New York on Oct. 22.




  • Celebrity Photos: October 2013


    Reese Witherspoon arrived at ELLE Celebrates 20th Annual Women In Hollywood Event at Four Seasons Hotel Los Angeles at Beverly Hills on Oct. 21.




  • Celebrity Photos: October 2013


    Robin Thicke and his wife Paula Patton arrived at the Heathrow airport in London on Oct. 21.




  • Celebrity Photos: October 2013


    Charlize Theron met some friends for lunch at Cafe Med in West Hollywood, Calif., on Oct. 21.




  • Celebrity Photos: October 2013


    Christie Brinkley was all smiles while leaving the NBC's "Today" show in New York City on Oct. 21.




  • Celebrity Photos: October 2013


    Jennifer Lopez took her kids Emme and Max to work with her in Los Angeles, Calif., on Oct. 20.




  • Celebrity Photos: October 2013


    Lily Mo Sheen, Kate Beckinsale and Len Wiseman attended the 2013 Pink Party at Hangar 8 on Oct. 19 in Santa Monica, Calif.




  • Celebrity Photos: October 2013


    Greg Kretschmar, Tom Bergeron, Juston McKinney and Rae Dawn Chong laughed it up at the New Hampshire Film Festival Annual Comedy Panel on Oct. 19 in Portsmouth, N.H.




  • Celebrity Photos: October 2013


    "Top Chef" host Padma Lakshmi was among the first to taste I Can’t Believe It’s Not Butter!® Deliciously Simple™ and Country Crock® Simply Delicious™, at the NYC Food & Wine Festival on Oct. 19.




  • Celebrity Photos: October 2013


    Sandra Bullock looked amazing in full costume as she took her son Louis to a Halloween party at his school on Oct. 19.




  • Celebrity Photos: October 2013


    Fergie did some shopping for son Axl in Beverly Hills, Calif., on Oct. 17.




  • Celebrity Photos: October 2013


    Nikki Reed and her singer husband Paul McDonald visited Trader Joes in Studio City on Oct. 17.