The stars love changing up their look with some new hair but it’s only occasionally that a style comes along that really makes us sit up and take notice.
From Emma Watson’s pixie and Kim Kardashian's blonde lob to Miley Cyrus’ buzz cut, we’ve picked the hair makeovers that have really made us stand up and take notice over the years.
Browse the gallery below and see how many of these chops and colour swaps you remember.
Having been in the biz for over 10 years, Emma Watson’s honey-coloured tresses were well-used to gracing red carpets
So we couldn’t quite believe it when she took the plunge and chopped them into this dramatic pixie crop.
Like the rest of the Kardashians, Kim is blessed with thick, dark locks.
But even she isn’t averse to experiencing with the bleach bottle. This blonde lob sent the internet into a frenzy when she debuted it at Paris Fashion Week.
Anne Hathaway’s wavy tresses were as much a part of her look as her trademark wide smile.
But she seemed to have no qualms about giving them up in favour of this statement pixie crop.
A beachy golden mane perfectly epitomised laid-back Aussie Margot Robbie.
But the actress has a dark side, as evidenced when she went brunette and embraced the hair tongs.
Dreamgirls star Jennifer Hudson used to play it quite safe when it came to her hair.
Until she unveiled this short and chic 'do, that is.
We thought Kristen Stewart seemed content with her mid-length curls.
We were wrong. Fast-forward a few months and she debuted this edgy buzz cut.
Jennifer Lawrence’s highlighted bob was one of the actress’ classic looks.
But it was all change by the winter when she went lighter, shorter and choppier.
Looking every inch a Kardashian, Kylie Jenner showed off her shiny, sleek tresses and chunky fringe.
A few months later, the fringe had gone as had just about everything else, to be replaced by a pale green hue.
Natalie Portman’s lovely, luscious hair was the envy of millions.
So imagine our surprise when she shaved it all off for her role in V for Vendetta. Top marks for dedication to your art.
Remember when Miley Cyrus looked like this? Light blonde layers which complemented her Hollywood smile.
Soon after and a new Miley was born, working a fierce platinum blonde cut.
Rihanna's super-short pixie showed off her strong bone structure and emphasised her big eyes.
Bright red hair is a tricky look to pull off but Rihanna, ever the pro, smashes it.