Hollywood 'it' girl Jessica Chastain is Fashion's Night Out's fiercest fashionista in leather colour block mini dress

She made Vanity Fair's international best-dressed list this month.

And Hollywood 'It' girl Jessica Chastain became Fashion's Night Out's fiercest fashionista tonight in her slimming blue leather dress with black trim, black cuff, and matching platform pumps.

The 35-year-old Oscar-nominated star, who fronts Yves Saint Laurent's new fragrance Manifesto, wore red extensions to fill out her new short hair cut for The Disappearance of Eleanor Rigby.

 

 

'It' girl: Jessica Chastain became Fashion's Night Out's fiercest fashionista tonight in her slimming blue leather dress with black trim, black cuff, and matching platform pumps

In demand: The redheaded starlet posed alongside her costar in the upcoming Broadway play The Heiress, Dan Stevens, at the Jeffery clothing store in New York's Meatpacking District

The in-demand starlet posed alongside her co-star in the upcoming Broadway play The Heiress, British actor Dan Stevens, at the Jeffery clothing store in New York's Meatpacking District.

Jessica first shot to fame last year as the result of a handful of high-profile movies including The Help and Tree of Life, for which she garnered much critical praise.

'I’m the unknown everyone’s already sick of,' the actress joked in Vanity Fair's latest issue.

'I have a feeling that very soon I'm going to fail very, very big... I'm going to try something and everybody's going to be like, "What was she thinking?"'

Aside from her play opening November 1 at the Walter Kerr Theater, Chastain will appear in this year's horror film Mama and Kathryn Bigelow's Zero Dark Thirty.
'I’m a huge shopper. It’s very rare for me to go into a store and not buy something,' Chastain told DNA Info tonight while on the red carpet.
'And I do look for sales. I’m not crazy.'

Sports Illustrated Swimsuit model Brooklyn Decker and Hailee Steinfeld attended the same debut party for the next round of Target Shops designers at the Highline Ballroom.

The fourth annual Fashion's Night Out attracted numerous celebrities and fashion-lovers tonight, and the three-week global event is reportedly a fixture in 19 countries.

Launched by Vogue editor-in-chief Anna Wintour, the event not only coincides with the final night of the Democratic National Convention but it begins on the first day of New York Fashion Week.

According toFox News, hashtag FNO has quickly become one of Twitter's top trending keywords.

 

Hair illusion:The 35-year-old Oscar-nominated actress wore red extensions to fill out her new short hair cut for The Disappearance of Eleanor Rigby

Shades of crimson: Slim Oscar winner Jennifer Hudson clashed her magenta lips with her long-sleeved red dress and kissy platforms at QVC in New York

Other glamorous FNO attendees included slim Oscar-winner Jennifer Hudson, 30, who clashed her magenta lips with her long-sleeved red dress and kissy platforms at QVC in New York.
Also at QVC was the usually fabulous Nicole Richie, 30, who took a fashion misstep in her drab and busy teal dress and black booties.
Alessandra Ambrosio bordered on ice-skater chic with her pleated pink mini-dress while posing in the trendy Soho district.
So You Think You Can Dance host Cat Deeley, 35, looked lovely in her black starry dress at the Woolite Washed Boutique in New York.
Meanwhile, the amply-charmed model Kate Upton, 20, could barely contain her assets in a simple turquoise knee-length dress.

The Sports Illustrated swimsuit cover girl helped judge a karaoke contest at Michael Kors' Madison Avenue store alongside the designer and Will & Grace actress Debra Messing.

Meanwhile down under in Sydney, Miranda Kerr broke the 'don't wear white after Labor Day' rule in her ladylike floral dress and red pumps.
The 29-year-old Victoria's Secret Angel looked chic and polished at the Kora Organics pop up store in Martin Place.

British TV presenter Alexa Chung served as stylish DJ for the Moschino store in the Meatpacking District.

The skinny 28-year-old rocked a striking red lip and a pair of headphones to go along with her strapless LBD.

 

 

FNO fashionistas: Alessandra Ambrosio did ice skater chic in Soho, Nicole Richie looked drab in her busy teal dress at QVC, but Cat Deeley came out on top in her starry LBD at the Woolite Washed Boutique

 

FNO models: Kate Upton could barely contain her sizable assets in a simple turquoise knee-length dress, while Miranda Kerr broke the 'don't wear white after Labor Day' rule in her ladylike floral dress in Sydney

 

Judge Upton: The Sports Illustrated swimsuit cover girl helped judge a karaoke contest at Michael Kors' Madison Avenue store alongside the designer and Will & Grace actress Debra Messing

 

 

The Carrie Diaries starlet AnnaSophia Robb, 18, practically glowed in her aquamarine chiffon mini-dress and golden tan at Henri Bendel.

Meanwhile, hitmaker Pharrell Williams showed off his swag - studded boots, 'Liberation' hat, polka-dot socks, green t-shirt, and denim shorts at Bloomingdales.

The 39-year-old music producer, who collaborated with designer Mark McNairy, told DNA Info, 'It makes sense as fashion has given so much to me for us to try and give back and support the movement for what these guys do.'

 

DJ Chung: British TV presenter Alexa Chung, rocking a red lip and a strapless LBD, served as stylish DJ for the Moschino store in the Meatpacking District

 

 

So fresh: The Carrie Diaries starlet AnnaSophia Robb glowed in her aquamarine chiffon mini-dress at Henri Bendel, while hitmaker Pharrell Williams showed off his swag at Bloomingdales
Kellan Lutz, 27, stirred many female fantasies posing on Charisma brand bedding at Bloomingdales.

Sporting a devilish goatee, the former Calvin Klein underwear model got cozy on the display bed in a navy blazer and blue jeans.

Designer Rachel Zoe joined Victoria Beckham in the basement beauty floor of Bergdorf Goodman.
The 41-year-old celebrity stylist, clad in a plum-coloured jumpsuit and black accessories, donned Burger King-style hats promoting the store alongside style expert Robert Verdi.

Bedtime: Kellan Lutz stirred many female fantasies posing on Charisma brand bedding at Bloomingdales

 

 

Dapper designers: Rachel Zoe flaunted her plum jumpsuit at Bergdorf Goodman, while Tommy Hilfiger held court in a grey suit at his own event held at Macy's Herald Square
Meanwhile designer Tommy Hilfiger, 61, held court in a grey suit and blue dress shirt at his own event held at Macy's Herald Square.

Pretty Little Liars star Lucy Hale, 23, represented California in an eye-catching sheer shirt, chartreuse jacket, and gold sequined shorts at the Beverly Center.

Also enjoying the fashion in New York were The City star Olivia Palermo, 26, who looked lovely in her sleeveless graphic-print dress, and Ivana Trump, 63, who looked like Patsy Stone with her trademark blonde French twist and hot pink bandage dress.

 

 

We heart fashion: Lucy Hale wore an eye-catching chartreuse jacket and gold sequined shorts at the Beverly Center, while Olivia Palermo and Ivana Trump were spotted strutting on the streets of New York