Ariana Grande dyed her hair brown for the Wicked: For Good press tour to "play into the darker tones of the movie".
The 32-year-old pop star/actress has reprised her role as Glinda in the second Wicked film - which hits cinemas this month - but she's been sporting a new hair colour on the red carpets while promoting the film and Ariana has now explained why she decided to ditch the light blonde this time around.
