1 of 17
The Mad Men actor looks every bit the movie star, doing his best Don Draper at the premiere of The Town in a crisp Dolce & Gabbana tux and a perfectly pleated button down.
2 of 17
In a shimmering floor-length Jason Wu gown with ¾ sleeves and a sweetly bow-tied neck, looks equal parts modern and feminine at the premiere of Meek’s Cutoff.
3 of 17
The Town cleans up nicely, attending the much buzzed-about film’s premiere in a classic tuxedo complete with a dapper bow tie and patent oxfords.
4 of 17
The W magazine cover girl is breezy in an orange and aqua print dress, colorful bangles and nude platforms – all by Prada – at a photo call for The Town.
5 of 17
The Black Swan makes a red-carpet transformation, dazzling in a scarlet Rodarte dress at the film’s premiere.
6 of 17
The beard is gone! Shedding his formerly disheveled image, the I’m Still Here star looks simply suave in a trim black suit, skinny black tie and aviators, arriving at an event at the Excelsior Hotel.
7 of 17
She has the attitude to pull it off! In a soft grey Valentino Haute Couture frock with floral appliqués and Bulgari jewels, commands the room at an Uomo Vogue event for director Quentin Tarantino.
8 of 17
The holds tight to Russian entrepreneur beau Vladislav Doronin at the premiere of Miral in her teal Azzedine Alaïa gown with a ruffled hem.
9 of 17
Check her out! For a daytime photo call, the opts for casual checks with a crisscrossed back and and putty-colored platforms.
10 of 17
For the premiere of Machete, the film’s stops the show in strapless, gunmetal Valentino Couture dress with an asymmetrical hemline, lace-up heels and Bulgari diamonds.
11 of 17
The Somewhere director oozes sophistication in a Louis Vuitton frock with a Peter Pan collar and delicate wedges at the film’s premiere, sponsored by the French luxury house.
12 of 17
12-year-old little sister is chic – and age appropriate – in an embellished Marc Jacobs mini with gold Mary Janes at the premiere of Sofia Coppola’s Somewhere.
13 of 17
She may play a heartless criminal in Reign of Assassins, but the Malyasian beauty looks nothing short of ethereal in emerald green Alberta Feretti at the film’s debut.
14 of 17
The knows when to dress up, and when an adorable t-shirt dress will do the trick. The Black Swan star looks effortless at a Hollywood Foreign Press Association event in amethyst Jason Wu and black flats.
15 of 17
The French Gossip Girl actress keeps it casual in a blush-colored blouse, denim miniskirt and strappy black wedges at the Somewhere premiere.
16 of 17
Turning up the heat for a press event, the opts for an eggplant Miu Miu mini, elongating her trim legs with blush pumps.
17 of 17
The Machete rocks a dramatic floral Dolce & Gabbana dress and buckled-up Michael Kors sandals at an event held at the Palazzo del Casino.