Did you try out a rainbow hair color in 2015? Well, tons of your favorite stars made 2015 the year they went bold and bright with their hair hues! From Debby Ryan's split-color style to Kesha's own neon-toned tresses, there was no shortage of daring 'dos in the last 12 months.
Since the year is coming to an end, we thought it would be fun to look back on some of the brightest and most unexpected colorful styles that stars were rocking all year.
Click through the gallery to see the top 15 celeb hair makeovers of the year 2015, and drop a comment to let us know which rainbow look was your all-time favorite!