While holding hands with the 22-year-old at the tennis match, Millie debuted a new sleek, dark brown hairstyle put up ... No. 6 seed Jasmine Paolini. Her hair transformation comes just weeks ...

Regardless of whether you're envisioning a deep, rich brown, an herb-dyed color, or a fun cinnamon hue, these ammonia-free hair dyes are formulated to maintain the health and vibrancy of your hair.