Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

This two-tone lilac Dior Haute Couture gown featured interesting – and strategically placed – rose details, which landed the one-time Oscar winner on a number of worst dressed lists.

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Pop Quiz: Who Wore These Oscars Gowns?

CHARLIZE THERON

The actress may have attended the 2010 ceremony as a presenter, but this Dior Haute Couture gown certainly helped her steal the show.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

This long-sleeved, floor-length gown, with its plunging neckline and cutout shoulders, might just be our favorite of the many (many!) dresses Zuhair Murad has created for the star.

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Pop Quiz: Who Wore These Oscars Gowns?

JENNIFER LOPEZ

When J.Lo hit the red carpet in this assets-baring design last year, quite a few jaws followed suit and also hit the red carpet.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

She starred in an out-of-this-world movie so it's fitting that the fashion-forward femme chose an out-of-this-world Givenchy Haute Couture by Riccardo Tisci gown.

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Pop Quiz: Who Wore These Oscars Gowns?

ZOË SALDANA

The Avatar actress told PEOPLE that she felt "completely amazing" on the 2010 red carpet, despite some people's objections that the dress was more suited for a can-can dancer.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

The young actress flaunted her figure in a simple red (Baywatch-inspired?) dress and later admitted to wearing Spanx underneath it. Yep, it's official – the girl has no filter!

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Pop Quiz: Who Wore These Oscars Gowns?

JENNIFER LAWRENCE

In 2011, Jennifer celebrated her first nomination (for Winter's Bone) by bursting onto the scene in a sexy Calvin Klein Collection stunner.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

Long before she walked down the aisle in Valentino, the superstar walked the red carpet in this black-and-white creation by the same designer.

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Pop Quiz: Who Wore These Oscars Gowns?

ANNE HATHAWAY

The actress proved she doesn't just have a gift; she is a gift in a bowed gown, which she wore to present at the 2007 awards.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

She got her start on the small screen, but this mustard Vera Wang head-turner was proof that she was ready for the big leagues. (Okay, okay, her Oscar nom was also proof.)

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Pop Quiz: Who Wore These Oscars Gowns?

MICHELLE WILLIAMS

The Brokeback Mountain star may have lost the statue for Best Supporting Actress to Rachel Weisz in 2006, but her gown earned the title of One of the Best Oscars Dresses of All Time.

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Pop Quiz: Who Wore These Oscars Gowns?

GUESS WHO

She might be forgetful at the Oscars (the actress famously neglected to thank her then-husband a few years earlier in her acceptance speech), but she's certainly not forgettable thanks to gowns like this, a backless Guy Laroche creation.

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Pop Quiz: Who Wore These Oscars Gowns?

HILARY SWANK

The actress solidified her place in the red carpet history books (and a permanent spot on our gym inspiration boards!) in this midnight-blue dress at the 2005 ceremony.

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