Celebrities in Gowns Designed by Francisco Costa for Calvin Klein Collection

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The big creative shakeup this week at Calvin Klein included the departure of two major fashion stars—Francisco Costa, the women's creative director, and Italo Zucchelli, the men's creative director—from the house, but their legacy will be hard to forget. As of now, it's hard to envision what the brand might look like in the future, particularly without Costa, who not only brought minimalism to the forefront of red carpet fashion, but who has whipped up extraordinary custom gowns for major A-list nominees for equally major awards shows.

Costa's signatures were clear: sleek columns with hip-hugging curves, bold gowns saturated in rich hues, and one-of-a-kind textured masterpieces intricately embroidered with beads, sequins, and, in one memorable example, faux pearls.

"He is no ordinary designer," Rose Byrne once said of the designer. "He understands the elegance of his creations, to help women feel feminine and powerful."

Costa has dressed everyone, from then-newcomer Jennifer Lawrence's first Oscars gown in 2011 (which promptly landed her on the style map) to Lupita Nyong'o's custom 2015 Oscars halter gown, a design so good, it was stolen from her hotel room (and then returned two days later). Take a look at 34 of Costa's greatest fashion hits during his 13-year tenure at Calvin Klein.

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Rose Byrne, 2008

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Rose Byrne at the 2008 Emmy Awards.

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Fergie, 2008

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Fergie at the 2008 Grammy Awards.

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Jennifer Lawrence, 2011

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Jennifer Lawrence at the 2011 Academy Awards.

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Emma Stone, 2011

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Emma Stone at the 2011 Golden Globe Awards.

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Diane Kruger, 2011

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Diane Kruger at the Sleeping Beauty premiere during the 64th Annual Cannes Film Festival.

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Claire Danes, 2011

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Claire Danes at the Metropolitan Museum of Art Costume Institute Gala.

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Kerry Washington, 2012

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Kerry Washington at the White House Correspondents' Association dinner.

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Shailene Woodley, 2012

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Shailene Woodley at the 17th Annual Critics' Choice Movie Awards.

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Rooney Mara, 2012

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Rooney Mara at the Oxfam "One Night to Change Lives" Charity Gala during the Dubai International Film Festival.

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Olivia Wilde, 2013

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Olivia Wilde at the "Punk: Chaos to Couture" exhibition at the Metropolitan Museum of Art.

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Rose Byrne, 2013

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Rose Byrne at the 2013 Emmy Awards.

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Julianne Moore, 2014

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Julianne Moore a at the Calvin Klein Party during the 67th Annual Cannes Film Festival.

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Rooney Mara, 2014

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Rooney Mara at the Calvin Klein Party during the 67th Annual Cannes Film Festival.

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Reese Witherspoon, 2014

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Reese Witherspoon at the 2014 Golden Globe Awards.

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Emilia Clarke, 2014

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Emilia Clarke at the 20th Annual Screen Actors Guild Awards.

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Anne Hathaway, 2014

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Anne Hathaway at the "Charles James: Beyond Fashion" Costume Institute Gala at the Metropolitan Museum of Art.

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Zoe Kravitz, 2014

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Zoe Kravitz at the Vanity Fair Campaign Hollywood Kick Off.

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Kerry Washington, 2014

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Kerry Washington at the 7th Annual Essence Black Women In Hollywood Luncheon.

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Naomi Watts, 2014

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Naomi Watts at the 2014 Academy Awards.

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Laverne Cox, 2015

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Laverne Cox at the 2015 Emmy Awards.

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Sienna Miller, 2015

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Sienna Miller at the Calvin Klein Party during the 68th Annual Cannes Film Festival.

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Zoe Kravitz, 2015

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Zoe Kravitz at the InStyle Awards.

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Kendall Jenner, 2015

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Kendall Jenner at amfAR's 22nd Cinema Against AIDS Gala.

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Brie Larson, 2015

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Brie Larson at the 7th Annual Governors Awards.

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Elizabeth Olsen, 2015

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Elizabeth Olsen at the Ruth and Alex premiere during the 41st Deauville American Film Festival.

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Rose Byrne, 2015

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Rose Byrne at the "China: Through The Looking Glass" Costume Institute Benefit Gala at the Metropolitan Museum of Art.

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Kendall Jenner, 2015

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Kendall Jenner at the "China: Through The Looking Glass" Costume Institute Benefit Gala at Metropolitan Museum of Art.

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Lorde, 2015

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Lorde at the "China: Through The Looking Glass" Costume Institute Benefit Gala at the Metropolitan Museum of Art.

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Lupita Nyong'o, 2015

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Lupita Nyong'o at the 2015 Academy Awards.

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Saoirse Ronan, 2015

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Saoirse Ronan at the 2015 British Academy Britannia Awards.

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Reese Witherspoon, 2015

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Reese Witherspoon at the 2015 Golden Globe Awards.

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Brie Larson, 2016

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Brie Larson at the 2016 Golden Globe Awards.

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Selena Gomez, 2016

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Selena Gomez at the 2016 Grammy Awards.

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Saoirse Ronan, 2016

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Saoirse Ronan at the 2016 Oscars.

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34 Times Celebrities Stunned in Francisco Costa's Designs for Calvin Klein Collection

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Rose Byrne, 2008

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Fergie, 2008

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Jennifer Lawrence, 2011

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Emma Stone, 2011

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Diane Kruger, 2011

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Claire Danes, 2011

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Kerry Washington, 2012

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Shailene Woodley, 2012

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Rooney Mara, 2012

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Olivia Wilde, 2013

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Rose Byrne, 2013

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Julianne Moore, 2014

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Rooney Mara, 2014

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Reese Witherspoon, 2014

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Emilia Clarke, 2014

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Anne Hathaway, 2014

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Zoe Kravitz, 2014

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Kerry Washington, 2014

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Naomi Watts, 2014

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Laverne Cox, 2015

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Sienna Miller, 2015

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Zoe Kravitz, 2015

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Kendall Jenner, 2015

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Brie Larson, 2015

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Elizabeth Olsen, 2015

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Rose Byrne, 2015