Katy traded in her natural blonde hair color early on in her career for a dye job with a bit more drama.
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May 30, 2008
The singer sported a pin-up-inspired 'do at the Spike TV Guys' Choice Awards.
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December 6, 2008
She tried out a sleek style with short, blunt bangs at the 102.7 KIIS FM Jingle Ball event.
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February 8, 2009
The "I Kissed a Girl" singer went for Old Hollywood glamour at the Grammy Awards with a retro bob.
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May 20, 2009
Katy paired her colorful eye makeup with soft curls at the House Of Mollinari birthday party.
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January 31, 2010
The singer, who was nominated for her album "Hot N Cold," sported dramatic curled-under bangs, loose ringlets and a gold bindi on her forehead at the Grammy Awards.
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June 6, 2010
Blue crush! The envelope-pushing artist showed up at the MTV Movie Awards in a see-through sparkly outfit and electric blue wig.
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September 12, 2010
Never one to play it safe, Katy hit the MTV Video Music Awards with pink, purple and blue streaks in her hair.
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February 13, 2011
For the Grammy Awards, Katy paired her custom Armani ensemble (with wings!) and multi-colored eye makeup with long, center-parted waves.
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June 30, 2011
Fans were shocked when the pop star debuted a copper-y hue earlier this summer. She explained the (accidental) change via Twitter: "So I didn't get to the exact color I wanted from being black for so long! To get to goal I have to be a ginger for three weeks!"
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July 24, 2011
After spending a few weeks as a redhead due to a botched dye job where she tried to lighten her black strands, the "E.T." singer showed off a sunny new look at The Smurfs premiere.
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August 1, 2011
"She felt that lavender would keep her look edgy, but still glamorous, and a lighter pastel shade that would work well with her skin tone," the singer's colorist and New York City salon owner, Rita Hazan, says of Katy's latest look.
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December 3, 2011
Just weeks before she and her husband Russell Brand announced they were divorcing, Perry debuted a dramatically short new haircut and a baby pink color.
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December 14, 2011
During her appearance on Saturday Night Live, the singer sported a pale blonde hue with a blue streak in the front.
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February 26, 2012
"Katy wanted to go this particular color blue for a few weeks now," Hazan told Us of the star, who just split with her husband Russell Brand weeks prior to her blue debut, told Us.
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April 18, 2012
"She wanted to go to a more dramatic, darker, almost punk rock Goth vibe," Hazan told Luxury Handbag Shopping. "Her new color is what I call 'purple velvet' -- it's dark and rich."
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