BEST: Marion Cotillard looked like a princess at the De Rouille et D’Os Cannes Film Festival premiere, wearing a belted Christian Dior sweetheart strapless gown with Cartier bling.

BEST: Freida Pinto electrified in a neon green AtelierVersace gown at the De Rouille et D’Os Cannes Film Festival premiere, showing some leg in the slitty, Swarovski crystal embellished number. She finished off the look with Ferragamo heels and a Ferragamo clutch.

BEST: Hello, sexy! Hart of Dixie star Jaime King steamed up The CW Network’s 2012 Upfront presentation, wearing a belly baring Proenza Schouler ensemble with Giuseppe Zanotti sandals and a Proenza Schouler clutch.

BEST: Rachel Bilson looked chic in Chanel at The CW Network’s 2012 Upfront presentation, pairing her feminine frock with Casadei pumps.

WORST: Kristen Stewart had a sheer disaster at the London premiere of Snow White and the Huntsman, wearing a bizarre hand-stitched lace Marchesa dress with an embroidered skeleton illusion bodysuit.

BEST: Cameron Diaz flaunted her superior stems to perfection at the Los Angeles premiere of What To Expect When You Are Expecting, wearing a short and sexy Valentino number that also bared her bra! The leggy blonde perfected her look by pairing the flirty number with nude Lanvin pumps and a Kimberley McDonald ring.

WORST: Brooklyn Decker looked like she was headed to a beach picnic at the Los Angeles premiere of What To Expect When You Are Expecting in a yellow Giambattista Valli dress from the Spring 2012 collection, which failed to flatter her perfect figure.

BEST: Jennifer Lopez showed off her movie star side at the Los Angeles premiere of What To Expect When You Are Expecting, wearing a luxurious Maria Lucia Hohan deep plunge gown. She paired the nude number with a Swarovski clutch, Sergio Rossi heels and Jacqueline Nerguizian bling.

BEST: Diane Kruger was a breath of fresh air at the Cannes Film Festival Moonrise Kingdom premiere and Opening Ceremony, wearing a beautiful aqua-colored Giambattista Valli Couture one-shoulder gown.

BEST: Jane Fonda is still fabulous at 47-years-old! The cinematic icon and workout guru showed off her hot bod at the Cannes Film Festival in an Atelier Versace curve-hugger, finishing off the flawless look with Chopard jewels and a Versace clutch.

BEST: Jessica Chastain flaunted her assets at the Cannes Film Festival Moonrise Kingdom premiere and Opening Ceremony in a feminine Alexander McQueen pale pink gown, which featured a plunging neckline.

WACKY: Bill Murray had a bad plaid attack at the Cannes Film Festival Moonrise Kingdom photocall, wearing four different plaid prints.

WORST: Dianna Agron hit the hair salon in Hollywood, wearing unflattering and just plaid ugly outfit.

WORST: Miley Cyrus showed off her adorable new dog Happy and her questionable fashion sense in Miami.

WORST: Britney Spears failed to flatter her figure in a skintight white dress that was speckled with stains at an X Factor press event.

BEST: Kate Middleton looked pretty in pink at the Sovereign Monarchs Reception, wearing a pleated Emilia Wickstead dress with satin pumps.

BEST: Eva Longoria made a dramatic style statement at the Cannes Film Festival Moonrise Kingdom premiere and Opening Ceremony, wearing a terrifically trained Marchesa gown.