Think of them as sartorial soul mates: those designers and celebrities who seem to be intrinsically connected through style.
One great example: Sarah Jessica Parker, who was a big fan of visionary designer Alexander McQueen. One of their most indelible partnerships was the ensemble she wore to the May 2006 Metropolitan Museum of Art's Costume Institute Galain New York.
Stuart Ramson, AP
Marc Jacobs and Kate Moss make fashion magic. Here, the designer and model arrive at the Metropolitan Museum of Art's Costume Institute Gala benefit celebrating 'The Model as Muse: Embodying Fashion' in May 2009.
Evan Agostini, AP
After the birth of daughter, North, Kim Kardashian -- who was slammed for her garish maternity style -- has emerged as quite the fashion star. Here she is with Givenchy designer Riccardo Tisci as they arrive at the Mademoiselle C Fashion Week VIP Screening after party, in Paris on Oct. 1
Zacharie Scheurer, AP
German actress Diane Kruger is so close to Chanel's Karl Lagerfeld that he sends her clothes when she needs something to wear. Here, they attend the re-opening of the Chanel Soho boutique in September 2010 in New York.
Evan Agostini, AP
BFFs forever -- and design partners, too. Designer Stella McCartney and actress Gwyneth Paltrow host an English garden party for Goop on Aug. 23, 2013 in Amagansett, N.Y.
Kevin Mazur, Getty Images
Director Sofia Coppola is a style icon in her own right -- and Marc Jacobs is one of her go-to designers. Here, she poses with Jacobs at the National Board of Review of Motion Pictures' annual awards gala in New York in January 2004.
Kathy Willens, AP
First Lady Jacqueline Kennedy wears Oleg Cassini's confection of pink-and-white straw lace as she and President Kennedy stand outside of the Quai D'Orsay in Paris in May 1961. Cassini was her go-to designer for most of her iconic presidential looks.
Oh, the cone bra! Madonna and Jean Paul Gaultier knew how to pop. Here, they attend Gaultier's 1995 spring/summer ready-to-wear fashion collection in Paris in October 1994.
Lionel Cironneau, AP
When exactly did Hermes become a household name closely associated with Grace Kelly? Maybe when Kelly used the bag to shield her pregnancy from camera lenses in January 1956.
Bill Ingraham, AP
Donatella Versace has called Lady Gaga "so inspiring" and has thrown parties for her. Here, the two arrive at the Versace atelier in Milan in October 2012.
Luca Bruno, AP
Legendary designer Azzedine Alaïa has a retrospective in his honor in Paris. One of his most iconic looks: the hood worn in the 007 film 'A View To Kill,' near Paris in August 1984.
Alexis Duclos, AP
Zac Posen calls model Coco Rocha one of his muses.
Jamie McCarthy, Getty Images for Bergdorf Goodma
French icon Catherine Deneuve (right) was the muse to fashion designer Yves Saint Laurent, who designed her costumes for Luis Buñuel's 1967 'Belle de Jour.'
Remy de la Mauviniere, Associated Press
British singer Jane Birkin is the ultimate fashion muse. After all, the coveted Hermes Birkin bag -- incredibly costly accessory beloved by both Kim Kardashian and Victoria Beckham -- is named in honor of this chanteuse.
Francois Mori, AP
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