Lest we forget, the side parting is already back, and that got us thinking about all the hair trends we used to obsess over in those heady dip-dye days ... s signature hairstyle in the 00s ...

But what to choose? If you’re at a conundrum, fear not. We’ve spoken to the experts to break down the best cool girl hair colours for the season ahead. (Just don’t try them all at once ...

Showcasing an ash blonde hair color is the perfect mix of cool and ... Related: 6 Best Youthful Hairstyles Over 50, According to Celebrity Stylists Some blondes have a softness that feels ...

Moroccanoil's Colour Depositing Mask in Copper, priced at £28, also comes highly recommended by DIY tint enthusiasts, with many praising it as "subtle and perfect if you don't want to dye your hair".