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