Red Carpet

Best & Worst Dressed: Celebs Rock Riccardo Tisci (Photos)

When Tisci joined Givenchy in 2005, he was a relatively unknown designer. Now, he is one of the most well-respected. In honor of his big 4-0, here are some of his best star-studded looks.

The Daily Beast

When Riccardo Tisci joined Givenchy in 2005, he was relatively unknown in the fashion world. The Central Saint Martins graduate had some big shoes to fill—John Galliano, Alexander McQueen, and Julian Macdonald had all been at the helm of the luxury fashion label after its founder, Hubert de Givenchy, retired in 1995. His creations, which osculate between a feminine delicacy and hard-edged masculinity, have propelled the Italian-born creative director to become one of the most ambitious and well-respected designers in the fashion world. As Tisci rings in his 40th birthday (complete with a massive, star-studded bash in Ibiza), The Daily Beast takes a look back at some of his best red-carpet looks.

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Joan Smalls, Givenchy Fall 2014

Model Joan Smalls opted for one of Givenchy's most recent runway looks at the Vogue Foundation Gala at Palais Galliera on July 9, 2014 in Paris, France.

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Beyonce, Givenchy Custom Couture 2014

Continuing her streak of donning Givenchy creations for the Met Gala, Beyonce turned heads in a custom couture creation at the "Charles James: Beyond Fashion" Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014 in New York City.

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Jessica Chastain, 2013

Talk about a show stopper. Actress Jessica Chastain looked stunning in Givenchy at the All Is Lost premiere during the 66th Annual Cannes Film Festival on May 22, 2013.

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Joan Smalls, Givenchy Fall 2013

Joan Smalls couldn't wait for Givenchy's runway looks to hit the stores. She chose a floral patterned look for amfAR's 20th Annual Cinema Against AIDS Gala during the 66th Annual Cannes Film Festival on May 23, 2013.

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Florence Welch, Givenchy Fall 2012 Couture

The ethereal singer looked gothic chic at the Costume Institute Gala for the "PUNK: Chaos to Couture" exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City.

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Zoe Saldana, Givenchy Spring 2012

Zoe Saldana looked angelic at the 18th Annual Screen Actors Guild Awards on January 29, 2012 in Los Angeles, California.

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Anne Hathaway, Givenchy Spring 2012 Couture

Hathaway stole the show at the world premiere of Les Miserables on December 5, 2012 in London, England.

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Cate Blanchett, Givenchy Spring 2011 Couture

Actress Cate Blanchett arrives picture perfect on the red carpet for the 83rd Annual Academy Awards on February 27, 2011 in Hollywood, California.

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Liv Tyler, Givenchy Spring 2011 Couture

For the "Alexander McQueen: Savage Beauty" Costume Institute Gala at The Metropolitan Museum of Art in 2011, Liv Tyler looked radient in this ombre couture piece.

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Ciara, Givenchy, Fall 2010 Couture

Singer Ciara, a long-time supporter of Tisci's, was a knock-out in his couture design from the Fall 2010 collection at the 2013 MTV Video Music Awards in New York City.

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Naomi Campbell, Givenchy Fall 2010 Couture

Veteran supermodel Naomi Campbell looked flawless in Fall 2010 Couture at amfAR's Cinema Against AIDS Gala 2011 in Antibes, France.

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Rooney Mara, Givenchy Spring 2009

Rooney Mara sported a delicate lace gown from Spring 2009 at the 84th Annual Academy Awards in 2012.

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Natalie Portman, Givenchy Spring 2008 Couture

This look scored actress Natalie Portman many best dressed honors in 2008. Here, she arrives at amfAR's Cinema Against AIDS benefit held in Cannes, France.

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Amanda Seyfried, Givenchy Spring 2007

Seyfried opted for an older look for the 2013 Costume Institute Gala for the "PUNK: Chaos to Couture" exhibition at the Metropolitan Museum of Art in New York City.

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Michelle Williams, Givenchy 2006

One of Tisci's first creations for Givenchy, Michelle Williams wowed everyone at the 63rd Annual Golden Globe Awards in 2006.