Since they burst onto the scene aged only six months, the Olsens have been America’s favourite blonde twins.
But Mary-Kate has made a statement by leaving her blonde days behind to join the brunette brigade.
The pint-sized star debuted her new look at Monday’s night Council of Fashion Designer of America Awards, where she and Ashely took home top prize for their line The Row.
Do you think this new look suits Mary-Kate? Vote below.