The dip-dye craze kicked off with a handful of celebrity followers, when Kate Bosworth and Dakota Fanning first showed off their pink-tipped tresses on the red carpet.
Now it looks like the ombre-look is here to stay, with Jessie J's ever-changing shades to the dip-dyed hair extensions at Prada's Autumn/Winter 2012 show as this year's biggest inspirations.
So do you fancy trying the trend? We asked The Blow Bar's Emma Reese to teach us an easy-to-do test run using a piece of coloured chalk (it's cheap too!). Watch the video below for her top tips on how to create a DIY dip-dye and for more colour inspiration, see our celebrity look book below.