Images: Getty / Instagram.

What’s that? You’re still getting foils in your hair? Pffft. Why stick to blonde, brunette or, heck, even your natural colour when you can test out pink, green, mermaid, or a fitting hue  of ‘What if Rainbow Brite and My Little Pony made a baby’?

All the celebs are doing it…

Okay, so even if you’re not willing to commit to a long term colour change, Schwarzkopf Professional’s Global Colour Ambassador, Matt Clements and 2014’s Hair Expo Colour Technician of the Year, Justin Pace tell us what to the ask the hairdresser for, and how to try it at home.

Hair: how to get ALL the colours of the rainbow

Chloe Norgaard

Lauren Conrad

Chloe Norgaard

Kylie Jenner

Gwen Stefani

Gwen Stefani

Rita Ora

Nicole Richie

Rumer Willis

Lily Allen

Lady Gaga

Katy Perry

Rita Ora

Anna Paquin

Katy Perry

Gwen Stefani

Rumer Willis

Rumer Willis

Gwen Stefani.

Alexa Chung

Alexa Chung

Have you ever tried coloured hair? Show us a picture!