Neither Nine Zero One nor Roberts has revealed who's behind this look, but there's a good chance it's the salon's lead coolorist Nikki Lee , who was behind both of Roberts' colour changes earlier this year. Lee is apparently a big fan of this brunette shade, which is closer to Roberts' natural brown hair colour, telling Refinery29 in February, "What I love the most about when Emma's brunette is how the colour brings out her eyes and suits her skin tone."