Because we can hardly wait to see what dresses come down the red carpet at the Oscars, we're taking a look back some of the best moments from the award show in recent years. It's one of the most important fashion events of the year, and anticipation for what the stars will wear has been building for months. Will Jennifer Lawrence wear Dior again? Who will land the coveted job of dressing Lupita Nyong'o? And perhaps most importantly, how will Kerry Washington dress her baby bump?
To tide you over until Sunday's big show, take a look back at what some of our favorite stars have worn in years past.
Halle Berry at the 2002 Academy Awards
Halle wore an Elie Saab  gown with a sheer bodice and a full skirt to the awards in 2002, where she became the first black woman to win an Oscar for best actress in a leading role.
Michelle Williams at the 2012 Academy Awards
The actress chose a strapless red lace gown by Louis Vuitton .
Natalie Portman at the 2012 Academy Awards
The actress wore a strapless vintage gown by Christian Dior .
Nicole Kidman at the 1997 Academy Awards
Celebs wearing couture on the red carpet wasn't a new concept in 1997, but this dress looked so good on Nicole that it will go down in history as one of the best looks at the Oscars.
Cate Blanchett at the 2011 Academy Awards
Cate's lavender gown, created by Givenchy , looked like couture armor on the red carpet.
Gwyneth Paltrow at the 2012 Academy Awards
This caped Tom Ford  gown helped Gwyneth look like a superhero.
Zoe Saldana at the 2010 Academy Awards
Zoe Saldana  wore a purple confectionary creation by Givenchy  couturier Riccardo Tisci.
Kerry Washington at the 2013 Academy Awards
Kerry's sparkly Miu Miu  dress added a jolt of energy at the Oscars last year.
Nicole Kidman at the 2007 Academy Awards
The actress wore a red gown by Balenciaga 's former designer Nicolas Ghesquière on the red carpet.
Michelle Williams at the 2006 Academy Awards
Vera Wang  designed the sunny yellow dress Michelle chose for the red carpet in 2006.
Vanessa Paradis at the 2004 Academy Awards
The actress, with then-boyfriend Johnny Depp , wore a vintage Chanel gown on the red carpet.
Sharon Stone at the 1998 Academy Awards
Sharon stunned fashion observers everywhere when she tucked one of her husband's white Gap shirts into a ball skirt by Vera Wang .
Cate Blanchett at the 2005 Academy Awards
The Valentino gown Cate wore in 2005 channeled old-school Hollywood glamour.
Sandra Bullock at the 2010 Academy Awards
Sandra looked like a winner — and become one later that evening — in this silver gown by Marchesa .
Renée Zellweger at the 2001 Academy Awards
Renée chose a very happy vintage dress by French designer Jean Dessès.
Natalie Portman at the 2005 Academy Awards
This Lanvin  gown made Natalie look like a Greek goddess.
Diane Kruger at the 2010 Academy Awards
Diane chose a cream and black dress by Chanel for the big show in 2010.
Chloë Sevigny at the 2000 Academy Awards
Alber Elbaz designed this timeless black gown while he was still the creative director at Yves Saint Laurent .
Gwyneth Paltrow at the 1999 Academy Awards
This pink Ralph Lauren  dress will go down in history as an Oscars classic.
Charlize Theron at the 2000 Academy Awards
Charlize exuded confidence and sex appeal in this orange Vera Wang  dress.
Reese Witherspoon at the 2007 Academy Awards
The actress wore a tiered Nina Ricci  gown dyed varying degrees of purple to the awards in 2007.
Sofia Coppola at the 2004 Academy Awards
The filmmaker supported her longtime friend Marc Jacobs  when she chose one of his dresses for the red carpet.
Hilary Swank at the 2005 Academy Awards
This backless navy blue Guy Laroche  dress gave Hilary an element of polish and elegance.
Uma Thurman at the 2000 Academy Awards
Though it was nearly the same color as the red carpet, this Alberta Ferretti  gown stood out at the 2000 Oscars.
Cate Blanchett at the 1999 Academy Awards
Cate wore a gown by John Galliano .
Beyoncé at the 2005 Academy Awards
A vintage Versace  dress accentuated Beyoncé's curves.
Julia Roberts at the 2001 Academy Awards
Julia Roberts 's simple yet stunning Valentino gown carried her from the red carpet to the winners' room.
Rooney Mara at the 2012 Academy Awards
Rooney's elegant white Givenchy  gown still had plenty of bite — just like her character in The Girl With the Dragon Tattoo
Jennifer Lawrence at the 2013 Academy Awards
Jennifer's pale Dior couture gown made her look like a princess — that is, until she fell in it while accepting her award.
Charlize Theron at the 2013 Academy Awards
The simplicity of this Dior gown didn't stop it from being one of the most stunning dresses on the red carpet in 2013.