Rainbow hair is one of the most unique looks I've ever come across. Here are some lessons I've learned with this style.

Nanameuw is a Russia-based hair stylist who has gained followers on Instagram for her bright creations. One hairstyle that has become popular is the hidden rainbow layer underneath a bright color.

If you bring any one of these 21 layer rainbow cake recipes to a party, it'll definitely steal the show, and everyone, kids and adults alike will be scrambling to have a piece of it.

This technique is a riff on the now-classic ombré hair highlighting technique. Instead of your natural color gradually lightening towards the tips, however, your strands shift to a rainbow hue ...

W hile hair trends come and go and some hair colors feel more seasonal than others, there's a certain hairstyle that people ...

This particular variation of the trend juxtaposes the client's auburn hue with the primary colors of the rainbow, which are dyed underneath her hair's top layer.

Some Coloradans have noticed rainbow clouds over the past few days? This is actually a rare phenomenon called "cloud ...

If you bring any one of these 21 layer rainbow cake recipes to a party, it'll definitely steal the show, and everyone, kids and adults alike will be scrambling to have a piece of it.