Zosia Mamet's Changing Looks

2012

For the N.Y.C. premiere of Girls, Mamet let down her waves and highlighted her lips with pale peach gloss.

2012

She paired bold brows with bright crimson lips for a screening of Savages.

2012

For the Emmys, Mamet glowed with barely there makeup and a slicked-back hairstyle.

2012

Mamet opted for a natural hair and makeup look to attend an N.Y.C. event.

2012

Mamet paired her long, loose hair with a bold lip on opening night of Broadway's The Anarchist.

2013

For the season premiere of Girls, Mamet channeled Hepburn with a topknot and bold red lipstick.

2013

Mamet debuted flaxen strands at the N.Y.C. preview for Really Really, an off-Broadway play in which she starred. "I had never dyed my hair in my life," she told the Associated Press. "The idea of dyeing it for the first time when I'm doing [my first] play felt great!"

2013

By June, Mamet had returned to a darker hue. She was photographed at the New York premiere of The Heat with dark brown wavy tresses.

2013

After the Girls actress's first dye job, she kept coming back for more! She attended the Blue Jasmine New York premiere with golden strands.

2014

First color, then a cut! Mamet chopped off her long tresses and debuted an edgy bob at a Golden Globes after-party.

2014

Talk about a transformation! Mamet's platinum blonde bob was the talk of the town at New York Fashion Week.

2014

Mamet took her love of hair transformations to a new level, stepping out with a gray bob and dark roots.

2015

The star channeled Old Hollywood glamour at the 2015 Golden Globes. She styled her honey-colored strands in face-framing curls with an exaggerated side part.

2015

Not one to shy away from color, Mamet added a new shade into her arsenal: pink!

2015

In another first for the Girls actress, she stepped out in April with a new pair of bangs.

2015

Just two months later, Mamet's long bangs had grown into face-framing angles. She rocked a wavy blonde bob at the New York premiere of Trainwreck.

2015

Mamet added drama to her blonde updo with dark roots at the He Named Me Malala premiere in September.

2016

Holy highlights! Mamet showed off lighter blonde 'do at the Sundance Film Festival.