I can no longer keep up with Millie Bobby Brown’s hair transformations. One day she’s rocking a full Pamela Anderson–inspired, messy blonde updo ... on her still-wet curly bob.

A burnished caramel balayage adds a touch of color and warmth to Zoe Saldaña’s jet-black hair ... caramel and ash-blonde highlights enliven Camila Cabello’s chestnut brown base.