05/02/2012 at 01:25 PM EDT
Talk about a revealing first look!
is stripping down to her bra for her newest film role – as famous '70s adult film star Linda Lovelace in the biopic Lovelace
, due out later in the year.
The 26-year-old actress, who's been spotted recently getting cozy
with Josh Hartnett
, is also going brunette for the role as evidenced by a movie poster, which was just released.
The film also stars Sarah Jessica Parker
, who's playing feminist Gloria Steinem
, new dad Peter Sarsgaard and James Franco
, who's set to play Hugh Hefner.