24/10/2014 07:47 BST | Updated 20/05/2015 06:12 BST

Lena Dunham Has GREEN Hair Now

Lena Dunham has gone green during the Canadian leg of her Not That Kind of Girl book tour.

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Lena Dunham attends a book signing for her new book 'Not That Kind of Girl: A young Woman Tells You What She's 'Learned.' at Barnes & Noble bookstore at The Grove on October 14, 2014 in Los Angeles, California.

We're talking hair - as opposed to environmentally friendly action, though guaranteed she supports that too.

That's right, Lena's signature platinum blonde look is out. The girl is now "minted".

The 28-year-old American actress, screenwriter, producer, director *and* author posted these photos on Instagram on Thursday.

MORE: 16 film hairstyles you always wanted but NEVER got

Man, we wish we were this adventurous when it comes to our hair.

Newly minted for the Canadian leg of the tour thanks to @tanneyb @rheannewhite

A photo posted by Lena Dunham (@lenadunham) on

Lena has been working her super sharp bob since August, and she definitely suits being short.

As far as hair trends go - colour is big this season.

While Kate Hudson was doing pink pastel streaks on the red carpet this week, Suki Waterhouse went brunette earlier this month and Rihanna's debut cover for Tush Magazine saw her go grey - it's Lena who's doing the green thing.

Thoughts? Minty fresh or just not cool?

LOVE LENA'S STYLE? Flick through this gallery to see more looks from the Girls creator - she's queen of casual but can definitely do a designer ensemble on the red carpet.