Katy Perry vs. Kelly Osbourne: Whose Purple Hair Do You Prefer?

Katy Perry, Kelly Osbourne HairNGP; Getty

Its a purple reign: both Katy Perry and Kelly Osbourne dyed their hair purple this week, setting off a new mini-trend.

According to Perrys stylist, Rita Hazan, the pop stars longer hair is purple velvet, InStyle.com reports. Its dark and rich. Its very punk rock. I love creating colors for her because she always knows how to rock it, Hazan adds.

Osbourne went purple on Tuesday, Tweeting the process to fans. Earlier this year, after she added a bit of lavender to her gray locks, she told PEOPLE, I think that I have an addiction to dying my hair, because I always like it to be different. I dont like being compared to other people. (Sorry, Kelly, were going to do it anyway!) Tell us: Who works her purple best, Katy or Kelly?

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