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Fresh from Katy unveiling her new "slime green" hair 'do, join Capital as we take a look back at Ms. Perry's hair-story from the start of her career through to today.
The 'Birthday' star opted for a new look after news broke of her split from John Mayer in early 2014... and she chose to go with a colour she's NEVER gone before. Picture: Getty
The US star went for a black hairstyle in the video for her 'Dark Horse' single... complete with braids and Ancient Egyptian jewellery to fit the theme.
Like her pop peers Nicki Minaj and Jessie J, Katy Perry is a big fan of brightly coloured wigs as seen here with this electric blue do.
The 'One That Got Away Singer' sports some brightly coloured highlights.
After being a brunette for most of her pop career Katy decided to find out if the rumours are really true that blondes have more fun with this layered look.
The 'California Gurls' singer had a hugely successful year in 2011 after scoring five number one singles from her second album 'Teenage Dream'.
The 'California Dreams' star echoes Wonder Woman actress Lynda Carter here with long black hair and a revealing corset top.
Katy debuted a short blonde-pink bob at the start of December when she attended the Change Begins With benefit event in Los Angeles with then husband Russell Brand.
Katy lopped off her long locks for this slightly harsh brown bob at a red carpet event.
The 'Teenage Dream' singer went hot pink while walking the red carpet at the American Music Awards this year with a tied up number complemented by a wreath of flowers.
Katy Perry Launches new perfume MEOW! and shows off her new blonde locks.
The 'Firework' star wore this look back in early 2013 while walking the red carpet at an event.
Complete with stunning pink gown, the singer was the centre of attention as she strolled won the Golden Globes red carpet. Picture: Getty
Shoutout to her quirky outfit that only she could pull off. Picture: Getty
How does she make ANYTHING look super effortless?! Picture: Getty
... and we might even go as far to say that it's one of our favourite looks. Picture: Getty
Fancy dress? Oh no, Katy Perry just loves wearing cat ears to a make-up launch. Obvs. Picture: Getty
WOW. Picture: Getty
... and we're not sure how we feel about it. Picture: Getty
She's seriously a blonde bombshell and we LOVE it.