The 30-year-old actress, who chopped off her long brunette locks to play the role of Fantine in the film adaptation of Victor Hugo's novel, said that her pixie cut makes her look more masculine, reported online media.
"When I eventually looked in the mirror I just thought I looked like my gay brother," Hathaway said, during a New York screening of the movie.
The actress is very close to her brother and she had previously said that she, her sibling and entire family decided to break ties with the Catholic Church when her brother came out as a homosexual.
"The whole family converted to Episcopalianism after my elder brother came out. Why should I support an organisation that has a limited view of my beloved brother?" she had said.
Hathaway took on a complete physical transformation to play the character of Fantine, who is forced into prostitution to pay for the care of her young daughter.
The "Dark Knight Rises" star threw herself wholeheartedly into the role and even lost 25 pounds in order to properly depict a member of the Nineteenth century French underclass.