Star Style Cannes Film Festival 2012: The Best Dressed Stars By Us Weekly Staff May 22, 2012 TOP STORIES 32 Eva Longoria The Desperate Housewives alum turned heads in Marchesa at the Moonrise Kingdom screening May 16. Credit: Jane Fonda The Prime Time author looked ageless in Versace at the Moonrise Kingdom screening May 16. Credit: Freida Pinto Attending the De Rouille et D'os premiere at the film festival, Pinto shined in a lime green Versace dress May 17. Credit: Diane Kruger Farewell My Queen actress Kruger wore Vivienne Westwood to the Amour premiere May 20. Credit: Naomi Watts The actress (in Marchesa) attended the Madagascar 3: Europe's Most Wanted premiere May 18. Credit: Salma Hayek The Pirates! Band of Misfits actress wore Gucci to the Madagascar 3: Europe's Most Wanted premiere May 18. Credit: Jessica Chastain The Help actress Chastain wowed at the Madagascar 3: Europe's Most Wanted screening wearing Armani May 18. Credit: Cheryl Cole The "Call My Name" singer donned a dramatic Stephanie Rolland gown at the Amour premiere May 20. Credit: Jada Pinkett Smith The actress sizzled in Versace at the Madagascar 3: Europe's Most Wanted premiere May 18. Credit: Tilda Swinton The We Need to Talk About Kevin actress wore Haider Ackermann to the Moonrise Kingdom screening May 16. Credit: Marion Cotillard Rust and Bone actress Cotillard wore Dior to the De Rouille et D'os premiere May 17. Credit: Mia Wasikowska The Sleeping Beauty star attended the Lawless premiere May 19 wearing J. Mendel. Credit: Lana Del Rey The "Video Games" singer attended the Moonrise Kingdom premiere May 16 wearing Alberta Ferretti. Credit: Diane Kruger Joshua Jackson's longtime love attended the Moonrise Kingdom screening wearing Giambattista Valli May 16. Credit: Michelle Rodriguez The Avatar star attended Eva Longoria and Denise Rich's charity cocktail party May 18. Credit: Eva Longoria The L'Oreal ambassador arrived at the De Rouille et D'os screening wearing Emilio Pucci May 17. Credit: Jane Fonda The sexy septuagenarian wore Roberto Cavalli to the Madagascar 3: Europe's Most Wanted premiere May 18. Credit: Berenice Bejo The film star represented Gucci at the fashion label's party with Vanity Fair May 19. Credit: Mia Wasikowska The actress wore Prada at the Lawless photocall May 19. Credit: Jada Pinkett Smith Will Smith's wife wore Alberta Ferretti to the Madagascar 3: Europe's Most Wanted photo call May 18. Credit: Jessica Chastain The Tree of Life star donned Alexander McQueen at the Moonrise Kingdom premiere May 16. Credit: Freida Pinto Slumdog Millionaire actress Pinto attended the Moonrise Kingdom premiere wearing a strapless, beaded Michael Angel gown. Credit: Naomi Watts The actress attended the Vanity Fair and Gucci party wearing a silver, feathered Gucci dress May 19. Credit: Marion Cotillard The actress and new mom brightened up in Dior at the De Rouille et D'os photo call May 17. Credit: Berenice Bejo The Artist actress wore Prada to the Lawless premiere May 19. Credit: Salma Hayek The Mexican star showed off her incredible figure in Gucci at the fashion label's party with Vanity Fair May 19. Credit: Diane Kruger Kruger showed up at the jury photocall wearing Versus May 16. Credit: Jane Fonda The living legend wore Stella McCartney to the De Rouille et D'os premiere May 17. Credit: Eva Longoria The Latin beauty looked elegant in Alberta Ferretti at the festival's opening night dinner May 16. Credit: Jada Pinkett Smith The stunner attended the Madagascar 3: Europe's Most Wanted photo call May 17 wearing a Versace and Ferragamo peep-toes. Credit: Jessica Chastain The Oscar-nominated star shimmered in a Gucci dress at the Lawless premiere May 19. Credit: Freida Pinto The Indian beauty wore Paco Rabanne at the L'Oreal Paris 15th anniversary dinner May 17. Just For You Christina Applegate's Rep Responds to Hospitalization Report Amid MS Battle Ciara Miller Breaks Silence on Amanda Batula and West Wilson Romance Pima County Sheriff's Department Sparks Backlash With Missing Nancy Post Natalie Portman, 44, Is Pregnant With Baby No. 3, 1st With Boyfriend Jury Breaks Down in Tears Hearing Girl, 7, Scream While Being Murdered