Week's Best Dressed

Jessica Alba sat front row at the Michael Kors runway show in the designer's turquoise key hole dress, accessorized with a haircalf clutch, gold earrings and a chainlink bracelet from Vhernier and black booties. The actress completed her striking look with a slick up-do and a popping red pout.

Amber Heard joined Jessica Alba at the Michael Kors Autumn Winter New York Fashion Week presentation working a scarlet jacket over a white shift with black lace panelled by the designer.

For the Noon by Noor presentation, Blake Lively accented a fashion forward knee-length tuxedo dress by the designer with cluster studs, a pave cocktail ring and metallic Christian Louboutin pumps. 

For the Paris premiere of The Land Of Blood and Honey, Angelina Jolie worked a white crepe floor-length gown with organza flower corsage from couture house Ralph & Russo. 

Emma Watson looked gorgeous in a dress from Valentino’s pre-fall 2012 collection, teamed with black patent cross-over heels by Christian Louboutin, and jewels by Asprey and Annoushka to host a pre-BAFTA party to honour Lancôme’s exclusive ‘Rôses by…’ exhibition.

Golden Globe winner Michelle Williams hit Paris for the premiere of My Week With Marilyn in a princess-worthy baby pink Christian Dior Couture ball gown paired with a diamond pendant and satin peep-toes.

Having confirmed that she was expecting her first child with actor Tom Sturridge last month, Sienna Miller revealed a burgeoning baby bump in a flowing Boss Black dress at a beauty event in New York. Maximising her pregnancy glow with rosy cheeks and shimmering kohl-rimmed eyes, the Brit beauty accessorised the floor-length black dress with Pamela Love jewellery and a metallic box clutch.

Taking New York Fashion Week by style storm, Leighton Meester showed her support for her designer pal Vera Wang on Valentine’s Day, sitting front row at the show in the designers emerald digi-print dress and wow-worthy yellow accessories. Later in the week the gossip girl actress was spotted at the Miu Miu party celebrating the screening of The Woman Dress, in this stunning primrose Prada confection teamed with neat nude courts and a poppy red bag. An elegant up-do and scarlet pout completed this ladylike look.

Model Miranda Kerr worked a blush pink Willow skirt teamed with a white sheer shirt to promote KORA Organics skincare on Valentine’s Day in Sydney. Dove grey Prada heels and strawberry pink lips completed the stunning mum’s sweet spring look. 

Rosie Huntington-Whitely arrived at London's Savoy Hotel in a sequin Antonio Berardi design, one of a kind Irene Neuwirth earrings, an Edie Parker clutch and gold Sergio Rossi heels. 

Lara Stone is a beacon of beauty and style in a rose stretch viscose dress from the Resort 2012 Calvin Klein Collection for her appearance at the Fall 2012 Mercedes-Benz Fashion Collaboration unveiling of the new SL Roadster at Lincoln Center in New York City.