Jennifer Lopez, Khloe Kardasian and just about every A-List celebrity who’s ever done highlights, ombré or balayage trust their hair to one woman: Tracey Cunningham.

This celebrity colorist, Redken Ambassador and Olaplex Enthusiast can now also add author to her list of accomplishments.  We talk to the color guru about what it’s like to work on the most famous manes in the business, and take an in-depth look at the Olaplex line of products which she says is a must for everyone whether you color or not.

We also discuss her new book, True Color, and she reveals how Bette Middler helped to launch her career.