Lights! Camera! Fashion!

ASHLEY GREENEDecked out in strings of pearls and a teased twist, the Twilight vixen looks demure in ladylike accents for a guest appearance on the 1960s-set TV series Pan Am in Manhattan.

CAREY MULLIGANThe gang's all here! The Great Gatsby starlet looks lovely in a lilac 1920s ensemble – complete with flapper bob – in the middle of her well-suited costars Leonardo DiCaprio and Tobey Maguire in front of the cameras in Sydney, Australia.Lights! Camera! Fashion!See the stylish, sexy and outrageous costumes as Carey Mulligan, Dakota Fanning, Ryan Gosling and more hit the set

MIRANDA KERRShowcasing her famous runway gams in a thigh-grazing watercolor skirt paired with a Kelly green blazer and taupe heels, the foreign exchange student-turn-supermodel smolders for a Big Apple photo shoot.

LEIGHTON MEESTERBride on the run! Gossip Girl's Queen Bee manages to keep her tiara in place during a mad wedding dress dash on the streets of New York City.

EVA MENDESRyan Gosling's ladylove lights up the Paris set of Holly Motors swathed in layers of silky olive, scarlet locks and dramatic eye makeup.

RYAN GOSLINGAfter his Parisian visit with Eva Mendes, the actor marks his return to the L.A. set of Gangster Squad in pinstripes and a fedora in hand.

MICHELLE TRACTENBERGAlso ready for Gossip Girl action in N.Y.C., the returning mean girl looks ready to ruffle some feathers in a shoulder-embellished, double-breasted peacoat, fishnets and a fascinator with plenty of plumes.

MILLA JOVOVICHArmed and sexy, the Resident Evil: Retribution star returns to save the day on location in Toronto.

SCARLETT JOHANSSONIs she fur real? Sporting dark tresses, a fuzzy jacket, acid-wash jeans and fold-over booties, the actress successfully steps into character on the Glasgow, Scotland, set of Under the Skin.

BLAKE LIVELYLooking tall and shiny in a paillette-streaked top, microprint mini and mirror-platform boots, Blake lights up the Manhattan set of Gossip Girl for a scene with her equally stylish on-screen mom Kelly Rutherford.

LEIGHTON MEESTERTipping her (mini) fascinator to the royally chic Middleton sisters, Gossip Girl's Queen Bee presides over the Upper East Side in a belted Diane von Furstenberg coat and eye-catching accessories.

JENNIFER LOPEZThe real J.Lo flashes her taut tummy in a beige cropped sweater, olive trousers and movie-star shades in Argentina

LEONARDO DICAPRIOMovie makeover master Leonardo gets vested in his The Great Gatsby role with a tan three-piece suit and straw hat in Sydney, Australia

TOBEY MAGUIRERounding out The Great Gatsby cast, the actor is ready for his close up in a snazzy gray three-piece suit – and sneakers!

RIHANNADon't let the skin-flaunting denim duds and pinup-girl look fool you – R&B's diva is ready to rumble in kick-ass neon dotted platform oxfords and torn nylons on the Belfast, Northern Island, set of her "We Found Love" video.

CHARLIE SHEEN & JASON SCHWARTZMANA Rookie no more, Charlie returns to work in uniform alongside his bearded A Glimpse Inside the Mind of Charles Swan III costar in L.A.Nicole Richie Styles