Girls star Allison Williams shares first photo of her as Peter Pan for NBC musical

GIRLS star Allison Williams has debuted the first snap of her as Peter Pan for a new American TV special.

The 26-year-old will play the boy from Neverland in NBC’s Peter Pan Live! airing in the United States in December.

The cute snap shared on Instagram shows her with a cropped haircut and a bright green vest and shorts ensemble, perched on the rigging of an old sailing ship.

Williams said the process of playing the boy who never grow up was “fun”.

“I sort of very tentatively offered to cut my hair, I was like, ‘You know, if it’s a thing that would help I could cut my hair,’ and they were like, ‘You’re welcome to do that, we’re still gonna put you in a wig’,” she told US television show Today.

But it’s not the first time the young star has dressed as the fabled Pan.

In July, when it was announced that she was cast for the part, Williams shared an image of herself as a young girl on Instagram.

Dressed in green in that photo, she said in the caption, “I’ve been rehearsing for a REALLY long time.”

Christopher Walken will take on the role of Peter Pan’s nemesis, Captain Hook.

Williams, the daughter of American news anchor Brian Williams, is best known for her role as Maie Michaels on the HBO series Girls with Lena Dunham.