Kristen Stewart and Anne Hathaway dress up as men for a new music video - watch it here.

The Hollywood stars branch out into the music industry for Jenny Lewis's new video for her single Just One of the Guys.

The actresses don moustaches, rat tails and tracksuits for the video, with the track taken from Lewis's first solo album in six years, The Voyager.

21 Jump Street star Brie Larson also appears in the video.

Watch it below!