These gowns have not only defined eras but also shaped the very essence of Hollywood glamour.

It showcased how she values creative expression and marked a defining moment in her career.

Cotillard was rightfully nominated for a Best Actress Oscar and eventually won.

Blended image showing Grace Kelly, Halle Berry, and Gemma Chan

Custom Image by Federico Napoli

It alsotransformed Kidman into a recognized fashion icon and risk-taker.

Not only did it serve asa fashion statementbut asa symbol of progress and disruptive representation in Hollywood.

Head’s work has inspired designers likeRalphLaurenandEscada, remaining a reference for classic evening wear.

Bjork in the 2001 Academy Awards wearing Marjan Pejoski’s swan dress while on stage

Image via ABC

A fun story about that night is thatGivenchy actually thoughthe was having a meeting withKatharine Hepburn.

NEXT:The 10 Worst Oscar Snubs of All Time, Ranked

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Diana Ross at the 1985 Academy Awards singing and wearing Bob Mackie

Image via ABC

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Gemma Chan standing on a balcony in a pink gown

Image via The Wall Group/Rebecca Corbin-Murray

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Lupita Nyong’o at the 2014 Academy Awards wearing Prada and accepting her Oscar

Image via ABC

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Marion Cotillard at the 2008 Academy Awards wearing John Paul Gaultier and accepting her Oscar

Image via ABC

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Nicole Kidman as Alice Harford looking up at the camera with a smile in Eyes Wide Shut

Image via Warner Bros

Halle Berry at the 2002 Academy Awards wearing Elie Saab and accepting her Oscar

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Cher at the 1986 Academy Awards wearing Bob Mackie and presenting

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Grace Kelly sitting on a couch in To Catch a Thief (1955)-1

Image via Paramount Pictures

Audrey Hepburn at the 1954 Academy Awards wearing Givenchy accepting her Oscar

Image via NBC

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