The post break-up makeover: Newly-single Michelle Williams

She has cut quite a lonely figure recently after splitting up with her boyfriend of one year, Jason Segel.
But Michelle Williams, 32, has clearly put her heartbreak behind her as she unveiled an edgy new haircut on Tuesday.
The blonde debuted a new undercut hairstyle which saw the locks on the right side of her head shorter than the rest of her tresses.

Trendy trim: Michelle Williams displayed a new undercut hairstyle

 

 

 

Legs 11: She showed off her trim pins by donning shorts at the bash inside St. Patrick's Old Cathedral

 

Famous friends: Kate Mara, Kate Young, Michelle Williams and Maggie Gyllenhaal supported Michelle's stylist Katie Young at the fashion launch

 

The 32-year-old looked incredible as she attended an event for budget store Target at St. Patrick's Old Cathedral in New York City.

 

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The remainder of her bonnet featured a side-swept long fringe which fell into her usual short bob ‘do.
It’s a look which has been worn on-and-off by pop star Rihanna and was popularised by stars such as model Alice Dellal.
Her edgy crop wasn’t the only part of her appearance to get her lots of attention after parting ways from Jason in February.
Ready to mingle: Actress Michelle Williams attended the Kate Young for Target launch event on Tuesday in New York City

 

 

Getting in the way: Michelle's new do seemed to be causing her a little trouble as it constantly flicked across her face

 

The woman behind it all: Stylist/Designer Kate Young and actress Michelle teamed up on the red carpet
Michelle flaunted her toned pins in a pair of silky navy blue shored, which she wore with a black top, to match her clutch bag and high heel shoes.
With it the single mother of seven-year-old daughter Matilda - with the late actor Heath Ledger - wore a monochrome blazer.

 

 

Celebrity-packed: Actresses Debby Ryan and Kate Mara also showed up for the gathering

 

 

 

 

Good company: Kelly Bensimon and fashionista Hailey Gates joined the A-list attendees at the event

 

She was helping her stylist Kate Young celebrate her clothing line launch with the shop and the designer teamed up with Michelle in the photography area, wearing a bow embellished black dress over a top similar to the actress’ mesh and dotted piece.
The tied feature over the chest seemed to be theme throughout her collection as actress Debby Ryan donned a frock with the exaggerated piece.
Kate – who is a former Vogue editor – has Natalie Portman on her list of star clients and debuts her new Kate Young for Target line on April 14.

Pump up the bass: DJ Atlanta de Cadenet manned the decks at the fashionable soiree

 

Showing some skin: Actress Maggie Gyllenhaal wore a one-shouldered maxi dress n the red carpet

 

 

 

Mingling with the stars: TV personalities Kelly Bensimon and Giada De Laurentiis were also there

 

I love your work: Maggie appears to be praising the stylist to the stars

The collection will feature women’s apparel and accessories, including handbags, footwear and jewellery ranging from $29.99 - $89.99.
Other stars at the bash included Kate Mara - who wore a long sleeve yellow number - and actress Maggie Gyllenhaal in a one-shoulder maxi dress.

Acting duo: Maggie arrived with her fellow thespian husband Peter Sarsgaard

 

TV personality Giada De Laurentiis wore a denim jacket over her dark green gown and metallic shoes.
Kelly Bensimon from Real Housewives of New York City showed up to the celebrity-packed gathering wearing a high neck white mini-dress and glittery gold clutch bag.

 

Happier times: Michelle split with actor Jason Segel in February