Celebrity hair transformations of 2014

Katy Perry went purple, Nicole Richie went blue and many other stars opted for more daring 'dos this year

Whether it's a brand new colour or a different style, the celebrities weren't afraid to experiment with their hair this year!
From Katy Perry and Nicole Richie's dashing dye jobs to Lauren Conrad's dramatic chop, these are the biggest hair transformations we saw in 2014.

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