Celebrity Most Daring Dresses By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Updated on December 23, 2008 @ 12:54PM Pin Share Tweet Email Trending Videos Photo: Gareth Cattermole/Getty Images Most Daring Dresses 01 of 10 Natalie Portman Axelle Woussen/Bauer-Griffin Origami never looked so good- Natalie Portman was paper-doll pretty at Cannes in a draped dress from Givenchy haute couture. 02 of 10 Sienna Miller Ed Jones/Getty Images Style rebel Sienna Miller was on the fringe in her carpet-sweeping design from Jasmine di Milo. 03 of 10 Rihanna Frank Micelotta/Getty Images Prairie chic at the Grammys? Rihanna brought rock and roll attitude to Zac Posen's corseted raffia design. 04 of 10 Beyonce Jon Kopaloff/FilmMagic When you've got it, flaunt it! Beyonce celebrated the Grammys in a bold gold gown with a low-dipping back. 05 of 10 Pink Kevin Mazur/WireImage Pink showed her style stripes at the MTV Video Music Awards in a vivid red and black gown from Alexis Lamontagna. 06 of 10 Thandie Newton Mike Marsland/WireImage Strategic dresser Thandie Newton showed off slices of skin in a daring design from Jasmine di Milo. 07 of 10 Christina Ricci Brian Zak/Sipa Press Style sweetheart Christina Ricci showed the Costume Institute Gala some love in a chiffon Givenchy gown in a Valentine hue. 08 of 10 Gwyneth Paltrow Dimitrios Kambouris/WireImage No wallflowers here! Gwyneth Paltrow didn't shy away from style when she donned a peek-a-boo design from Stella McCartney. 09 of 10 Nicole Richie Steve Granitz/WireImage Nicole Richie played cover-up in a tapestry-print vintage gown from Missoni. 10 of 10 Eva Longoria Parker Gareth Cattermole/Getty Images At Cannes, Eva Longoria Parker chased away the fashion doldrums in a tulle cloud from Atelier Versace.