Emma Roberts loves to switch up her hair. The Scream Queen actress has been bold red, bright blonde, and medium brown just in the past few years. Now, the star has debuted her darkest hair yet ? a gorgeous chocolate brown shade courtesy of hairstylist Nikki Lee. Lee posted on Instagram Monday night showing off Roberts's new 'do. Roberts's hair looks strong and healthy thanks in part to Olaplex, she told us last year. Olaplex is a protein hair system that helps strengthen hair bonds.