Emma Watson proved that she can be one of the boys as she arrived for her guest appearance on the Late Show with David Letterman, in a checked shirt and oversized grey jumper teamed with skinny jeans and flat pumps.
Having shaken off her butter-wouldn't-melt image as Harry Potter's Hermione Granger, the actress has been through quite a style evolution, oozing nothing but grown-up glamour on her red carpet appearances of late.
But here the actress proves that she still knows how to rock dressed-down chic.
What do you think of the star's tomboy look? Leave a comment below.