WORST: Demi Moore gave everyone in eyeful in 1989 in this horrifying getup. It was all kinds of crazy and hideous. (Photo by Jim Smeal/WireImage)
BEST: She was the gold standard in 2009! Anne Hathaway's glittering Armani Prive gown was one of our favorites of all time. The column shape and delicate, striped beadwork looked absolutely stunning on her petite shape. She finished off the classic style with swept back tresses and red lips. (Photo by Dan MacMedan/WireImage)
WORST: This dress definitely didn't ruffle our feathers. Bjork's 2001 dress resembled a swan hanging around her neck and it goes down in history as one of the worst dresses of all time. Sparkly tights completed the ghastly getup. (Photo by SGranitz/WireImage)
BEST: Michelle Williams's 2006 canary-colored Vera Wang gown will go down in history as one of the most colorful and stunning gowns of all time. The vintage elements of the dress, ruching along the front and a delicate V-neck, and her wispy locks and red lips made her appear to be right out of old Hollywood.
(AP Photo/Chris Pizzello)
WORST: If Geena Davis was aiming to look like a can-can girl from the Moulin Rouge, she nailed it. Her white, satin bustier dress with a mullet train, gloves, and black tights and heels at the 1992 Oscars were a major miss. (Photo by Ron Galella/WireImage)
BEST: Bold was the direction Keira Knightley went for in 2006 in this burgundy Vera Wang ballgown. Knightley, who was nominated for Best Actress in a Leading Role for 'Pride & Prejudice' looked every inch the A-list star in this gown, which she teamed with a Bulgari necklace. (Photo by Jeff Kravitz/FilmMagic, Inc)
WORST: Gwyneth Paltrow has been known as a style darling at many Oscar shows, but her 2002 dress was god-awful. The Alexander McQueen frock with a sheet top and a heavy black skirt was a little too goth. Paltrow later commented on the look herself and admitted she should have worn a bra and a lot less makeup. We have to agree. (Photo by Iris/WireImage)
BEST: Halle Berry's 2002 Elie Saab stunner is easily one of the most memorable in Oscar history. The bold, sheer top with delicate flowers covering her up paired with the voluminous burgundy skirt definitely upped the Oscar ante. Pair that with Berry's stunning looks -- and you have Oscar gold (which is what she won that night for her work in "Monster's Ball." (Photo by SGranitz/WireImage)
WORST: Hilary Swank's 2003 prom dress -- err, we mean Oscar dress -- was a putrid and pink. The frothy number, with sparkles, a lacy slip and layers of pink tulle were so bad it is hard to believe she could have ever transformed into one of our best dressed. (Photo by SGranitz/WireImage)
BEST: Reese Witherspoon's made her Oscar debut 2002 in a dress worthy of a star -- a flapper-like Versace number with equal parts glam and glitz. Pin curl waves and red lips completed the incredible look. (Photo by Anacleto Rapping/Los Angeles Times via Getty Images)
WORST: Cher definitely left us 'Moonstruck' in 1987 with this Bob Mackie number. The singer-turned-actress barely covered up her lady parts in the sparkling dress and it goes down as one of the more wild red carpet looks . (Photo by John Barr/Liaison)
BEST: When Charlize Theron won her Oscar for "Monster" it was like she practically floated across the stage -- because her dazzling, nude Gucci dress made her look so angelic and incredible she was like a South African gift from heaven. The pale color showed off her bombshell looks and sparkled at every turn. (Photo by SGranitz/WireImage)
WORST: Whoopi Goldberg seemed just as surprised by her Barney the Dinosaur-like pantsuit dress as we were at the 1993 Oscars. (Photo by Kevin Mazur/WireImage)
BEST: When Hilary Swank hit the 77th annual Academy Awards in this sapphire stunner, fashion was forever changed. The stunning Guy Laroche gown was demure in front with draping and then when Swank swiveled, it featured a deep back that made her look flawless. It seems appropriate that she won the Best Actress Oscar that year for "Million Dollar Baby," because that's exactly what she looked like in this gown.
(Photo by SGranitz/WireImage)
BEST: Talk about a class act! When Beyonce made her entrance at the 2005 Oscars in this Atelier Versace gown we couldn't help but stop and stare. The simple, black velvet dress with a long train was perfect for the red carpet and her chandelier earrings brought it to the next level. (Photo by SGranitz/WireImage)
WORST: Things could have worked for Jennifer Hudson in 2007 in this Oscar de la Renta dress, but the weird bolero jacket and her hands in her pockets made it a fashion miss. (Photo by Alain BENAINOUS/Gamma-Rapho via Getty Images)
BEST: Marion Cotillard's 2008 Jean Paul Gaultier gown screamed seductive mermaid in the most glam way possible. The golden scales against a cream gown, which hugged her A-list figure was absolutely jaw-dropping. (Photo by Steve Granitz/WireImage)
WORST: Angelina Jolie apparently thought goth was in at the 2000 Oscars and hit the carpet in a dress worthy of a member of the Addams family. (Photo by Ke.Mazur/WireImage)
WORST: Celine Dion put her back into it at the 1999 Oscars, but that didn't save this disastrous white pantsuit. Dion wore the oversized suit backward and topped it with a funky hat -- it was not her best look at all. (Photo by Jim Smeal/WireImage)
BEST: Kate Hudson's glamorous Versace gown at the 2003 Oscars was a showstopper. The sparkling gold number looked light and airy with layers of Versace lace and she appeared to whimsically walk by. Her golden glow and lightly swept back locks finished off the other-worldly ensemble. (Photo by SGranitz/WireImage)
WORST: Diablo Cody took home the Oscar for Best Original Screenplay for "Juno" in 2008, but she also took home our pick for worst dressed in a leopard print dress from Christian Dior. (Photo by Steve Granitz/WireImage)
BEST: Renee Zellweger's 2004 Carolina Herrera dress was everything. The massive bow in the back, the layers of sleek fabric and her sweet over-the-shoulder smile had us all in awe. (Photo by SGranitz/WireImage)
WORST: Things were not coming up roses for Charlize Theron in this purple, two-toned gown with two blooms on her boobs.
BEST: Penelope Cruz made everyone's heart go pitter patter as she walked the 2008 Oscars red carpet in this feathered, midnight blue Chanel Haute Couture gown. The organza, midnight blue gown featured a long train, draping and -- of course those feathers! The gown reportedly took designer Karl Lagerfeld 200 hours to create. It was worth it.
(Photo by Steve Granitz/WireImage)
WORST: Juliette Binoche seemed to steal her 1996 dress from the wardrobe closet for a medieval movie. The brown velvet dress was all kinds of wrong. (Photo by Jeffrey Mayer/WireImage)
BEST: Red hot! Kate Winslet looked exquisite at the 2002 Oscars in British designer Ben De Lisi's red creation. The blooms appeared to be delicately placed across her chest and the rest of the dress's simple shape made it seem effortlessly chic.
(Photo by Vince Bucci/Getty Images)
WORST: Faith Hill apparently stole her dress in 2002 from a box of Lucky Charms. (Photo by Ron Galella/WireImage)
BEST: Grace Kelly was hard not to love and her delicate green gown and white gloves in 1955 made their mark on Oscar history. It was understated, it was glamorous, it was everything we hope for with Oscar looks. (Photo by Silver Screen Collection/Hulton Archive/Getty Images)
WORST: Jennifer Connelly's beige blunder looked tattered and completed faded her out. The scarf, which seemed to serve no purpose, made the look even worse. (Photo by Jeff Kravitz/FilmMagic, Inc)
BEST: Ten years after Nicole Kidman made fashion waves in her canary-colored chinoise-inspired dress, she did it again in 2007 in a red Balenciaga gown festooned with a huge bow that draped from the nape of her neck to the ground. (Photo by Kevin Mazur/WireImage)
Actress Berenice Bejo looked completley faded out in 2012 in this light colored number. (Photo by Ethan Miller/Getty Images)
BEST: Diane Lane was the essence of grace in this Oscar de la Renta gown. The gauzy top of silk tulle gently hung off the shoulders, and the feathered bottom seemed to sway on the carpet. (Photo by Dan MacMedan/WireImage)
WORST: Why Lizzy Gardiner wore an American Express gown to the 1995 Academy Awards...we'll never know. (Photo by KMazur/WireImage)
BEST: Jennifer Garner absolutely glowed in this persimmon-colored Valentino gown at the Oscars. The layers of taffeta and silk chiffon made it magic. (Photo by Gregg DeGuire/WireImage)
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Some Academy Award dresses stand the test of time... for better or worse.
Throughout the decades, fashion has been centerstage at the Oscars and many stars have used the famous red carpet to show off their fashion acumen. Some of the most breathtaking looks in history were on the Oscar red carpet, from Anne Hathaway's gold Armani Prive gown to Nicole Kidman's red Balenciaga gown.
The Oscars are also a spot for some of the biggest fashion fails of all time. We'll never forget Geena Davis's can-can dress or Cher's barely-there Bob Mackie creation.
Check out all of the best and worst looks in Oscar history.