Some, such as Simone Biles and Andraya Carter, muted their makeup to let their hair do most of the talking. Others, instead, ...

Millie Bobby Brown has sported numerous hairstyles, including a shaved head and platinum blond, which has us wondering about her tresses' natural hue.

The 29-year-old actress debuted her new look at the "I Know What You Did Last Summer" movie premiere on Monday.

Ariana Grande has worn everything from a red ringlets to a blond ponytail throughout her decade in the spotlight, but her natural hair is just as gorgeous.