Puerto Rican model Joan Smalls wears her long, wavy, dark hair with brown auburn highlights to warm up her base shade. If you're looking for dramatic, all-over color on your brown hair ...

warm red tint of highlights that you're going to want on your head. What does root beer hair look like? Picture brown with subtle auburn streaks running through, which add dimension and warmth.

Bella Hadid regularly rocks highlights in her brown hair. Here, you can see how auburn ribbons add a hint of rich radiance to her overall ‘do. Not ready to kiss your summer blonde goodbye?