The ‘Game Of Thrones’ star dyed her mid-brown tresses a stunning shade of midnight blue a few weeks ago, but only officially unveiled her new look to the press this week at the The Serpentine Summer Party in London.
What we love most about this hairstyle is how subtle and ever-changing the colour is.
In some lights, the actresses’ hair appears to be a cool-toned ebony hue. But in others, William’s looks full on midnight blue mermaid.
Get us to a hairdresser, stat.