Zoe Saldana
The daring fashionista gets her candy striper on in an Armani Privé gown on the Tree of Life red carpet.
Bar Refaeli
Leo who? The model parties at a Chopard party, showing off her sexy, newly single bod in a blue and black sequin Roberto Cavalli minidress, black ankle-strap heels and jewels by Chopard, natch.
Jessica Chastain
In not-so-mellow yellow, the up-and-coming actress—who costars with Brad Pitt in Tree of Life—makes sure she stands out when she's sharing the red carpet with Brangelina.
Naomi Campbell
The super flashes her enviable gams in a long-sleeve Emilio Pucci black minidress, ankle-strap Sergio Rossi heels and Chopard jewels at the brand's Happy Diamonds Are a Girl's Best Friend bash.
Michelle Rodriguez
When she's not falling out of her bikini bottoms, the former Lost star cleans up nice crazy at the Art of Elysium bash in a skull-printed halter gown.
Candice Boucher
Dayum, the South African model leaves little to the imagination on the Hearat Shulayim red carpet, showing off her bod in a sheer black gown. Somebody's got to bring the wacky, right?
Gwen Stefani
The singer hits the red carpet with hubby Gavin Rossdale for the Tree of Life premiere in a black sequined Stella McCartney jumpsuit with red clutch and bright pout.
Penélope Cruz
The actress blows everyone out of the water at the Pirates of the Caribbean: On Stranger Tides premiere in a Marchesa gown with tulle shoulders and flowing train. Gold Swarovski clutch and Chopard jewels complete her look.
Clémence Poésy
Also at the Pirates of the Caribbean premiere? This French star, who dons a light blue Yves Saint Laurent gown with teal peep-toe heels and a silver clutch.
Sarah Jessica Parker
At the Wu Xia premiere, SJP opts for a floral printed gown with lace detailing from the Elie Saab fall 2011 line. A necklace and diamond-encrusted earrings, as well as a flowy updo, complete her look.
Uma Thurman
Uma dons another white gown—this time it's Chanel and features beaded embellishments and a layered train, at the screening of Pirates of the Caribbean: On Stranger Tides.
Sonam Kapoor
The actress rocks a Jean Paul Gaultier couture gown with a mesh overlay and black print at The Artist premiere.
Elizabeth Olsen
At the Martha Marcy May Marlene premiere, Mary-Kate and Ashley's little sister wears a piece from the twin's high-end label, the Row. She completes her look with Cartier jewels, quilted Chanel clutch, and loose curls accessorized with a black and silver headband.
Sarah Jessica Parker
Of course this star has to be where all the fashion action is going down! SJP attends a Weinstein Company bash in a breezy, belted white lace Dolce & Gabbana maxidress, Lanvin jewels and black sandals.
Aishwarya Rai
Despite the windy waterside location of this photo call, the Bollywood beauty manages to stay chic and put-together in a brown wrap dress and black ankle-strap stilettos.
Fan Bingbing
At the Prolisse premiere, the actress' white Elie Saab gown with lace sleeves, Ferragamo clutch and Cartier jewels are magnifique, no?!
Cheryl Cole
The British beauty and new X Factor judge takes the plunge in a white-hot Stephane Rolland Couture gown at the Habemus Papem premiere.
Vanessa Hudgens
'Nessa pops at Calvin Klein's Women of Cannes bash in a bright yellow gown and strappy white heels—both by the designer, bien sûr.
Tilda Swinton
We Need to Talk About Kevin is the movie this badass actress is promoting in Cannes, but it's her Haider Ackerman gown with Jil Sander heels that we need to talk about. She is shutting down the red carpet in this awesome look.
Mia Wasikowska
Mama Mia! The Aussie star looks ravishing on the Restless red carpet in red Roland Mouret with a chic updo and teardrop earrings.
Famke Janssen
Promoting her directorial debut, Bringing Up Bobby, the former X-Men star dons an embellished LBD with white peep-toe heels.
Rosario Dawson
Simple yet fabulous is the way Calvin Klein-clad Rosario decided to do up her look for the Women of Cannes event.
Angelina Jolie
La Jolie keeps it classic in a Ferragamo belted wrap dress and pumps, along with a pop of green bling, at the Kung Fu Panda 2 photo call.
Rachel McAdams
The adorable star mixes up her looks, going glam-cazh in a Monique Lhuillier gold bustier top with matching high-waisted pants for the Sleeping Beauty presentation.