The rainbow hair trend has been on our radar for a while now, and with summer just around the corner it's only going to get bigger.
Colourful hair can be a great way to get a more playful look, whether you opt for straight-up pastel or more of an ombre effect. Actress Kaley Cuoco brought the trend back into the spotlight recently when she revealed a new bubblegum pink do with matching eyebrows on her Instagram account, but other celebrities driving the trend include Kesha, who unveiled her lime green tresses earlier this month.