Rooney Mara was stunned by director David Fincher's attention to detail after she was asked to wear a custom-made merkin in The Girl With The Dragon Tattoo.
The actress reveals she sported a pubic wig for her full-frontal nude scenes in the upcoming Hollywood adaptation of the first of late author Stieg Larsson's Millennium trilogy books.
She tells Metro.us, "There was a lot of discussion that went into my merkin for the movie, because I was naked quite a lot. And I don't think a lot of people will notice all of the attention that went into that. But there was a lot of discussions around that."
Mara pierced her nipples and dyed her hair jet black to play computer hacker Lisbeth Salander, and insists her transformation was complete after she donned the fake pubic hair.
She adds, "In the book she's meant to have strawberry-blonde hair originally and she dyes it, so we had a special merkin made that was, you know, strawberry-blonde so that it would fit."