Kristin Cavallari unveiled her new look in October as she attended a ball in Los Angeles.
Kylie Jenner bleached her locks platinum blonde and documented the process on Snapchat.
Ashley Tisdale turned to hair gurus Kristin Ess and Priscilla Valles to help her create this gorgeous tousled looks with platinum highlights for the summer.
Khloé Kardashian wowed her Instagram fans when she showed off a new long hairdo, revealing the colour was created by celebrity hairstylist Tracey Cunningham.
Lauren Conrad's stylist Kristin Ess revealed the star was trying the look for the summer.
Myleene Klass ditched her trademark brunette locks in favour of this bold shade when she hit the Absolutely Fabulous: The Movie premiere.
Zac Efron bleached his hair for his role in Baywatch, but revealed he kept the look for longer than planned after he mistakenly thought he would reshoot scenes at a later date.
Kristen Stewart was radiant at the Cannes Film Festival where she styled her blonde locks into a sleek and smooth sideswept look.
Michelle Keegan dazzled fans with a new blonde 'do as she filmed Tina and Bobby.
Lewis Hamilton turned heads with his bold new 'do as he hit a GQ party.
Taylor Swift caused a social meltdown when she showed off her edgy new look during the Coachella music festival.
Jennifer Lawrence looked every inch a blonde bombshell as she arrived for a screening of X-Men: Apocalypse.
Justin Bieber turned heads when he hit the iHeartRadio Music Awards with his new look.
Pretty Little Liars star Lucy Hale was virtually unrecognisable when she made the drastic change from brunette to platinum blonde.
All eyes were on Kim Kardashian as she arrived for husband Kanye West's fashion show with this poker straight long wig.
Former One Direction singer Zayn Malik showed off his edgy side with this eye-catching shaved hairstyle at the Louis Vuitton show.
Adam Levine set pulses racing in 2014 when he took to Twitter to debut his makeover.
Kendall Jenner kept the fashion pack guessing when she hit the Balmain catwalk with this blonde hairstyle - although the model later revealed it was actually a wig.
Lauren Conrad first tried the platinum blonde look back in 2014, delighting fans with a close-up of her new 'do on Instagram.
Kim Kardashian caused a frenzy amongst beauty addicts when she hit Paris Fashion Week with her edgy new look.
Anne Hathaway rocked a platinum blonde pixie cut in 2013.
Michael Jackson's daughter Paris Jackson showed off her edgy side with this short platinum pixie cut.
Rachel McAdams upped the beauty stakes earlier this year when she teamed her striking new 'do with a statement red lipstick.
Lena Dunham played with the look at the 2013 Emmys.