We've seen free-painting balayage, fallayage trend and even the super-subtle 'sombre'. But there's one thing for sure - the ombre hair trend isn't going anywhere, and there's never been a better time to get involved.
Classic ombre hues with a combo of blonde shades still seem to be a big hit among our favourite celebrities, including Drew Barrymore, Halle Berry and Jessica Alba. Likewise, brunettes have put their stamp on the technique by keeping it cool like chocolate at the roots, and warm like chestnut at the ends.
It seems there's more than one way to dabble with the hair colour trend. The latest? 'Graduated roots' - embracing grown-out roots in all their glory. If you skipped your last highlights appointment, you're probably already rocking it.
See which celebrities have dipped (pun intended) into the trend in our round-up...