21 Times Katy Perry Had the Most Colorful Coif in Hollywood

Katy Perry donned a now-iconic royal-blue wig, complete with Bettie Page bangs, at the 2010 MTV Movie Awards.

Later in 2010, Katy arrived at the MTV Video Music Awards with her raven hair highlighted with pink, purple, and blue streaks.

For the 2011 Grammys, Katy ditched her rainbow hair for a rich black mane.

Katy was in Canada celebrating the release of her first perfume, Purr, back in 2011 donning red curls that were accented with kitten ears.

For the Smurfs premiere in 2011, Katy took a style cue from Smurfette and showed off blond locks with a darker hue on her ends.

Dressed like a modern geisha at the 2011 MTV Video Music Awards, Katy opted for a shocking pink hair color that complemented her pastel ensemble.

Later that same year, Katy stuck with the pink strands for her appearance at the American Music Awards.

By the end of 2011, Katy lightened up her look with a sherbet-hued bob.

Katy was back to her bold blue hair at the 2012 Kids' Choice Awards.

For an industry dinner in 2012, Katy tried out a more vampy look complete with purple-colored waves.

At a benefit later that same year, Katy went with silvery plum locks that she tucked into a faux bob for a vintage style.

For the 2012 premiere of Katy Perry: Part of Me, the leading lady went for bombshell waves in a rich violet hue.

At the Spring 2014 Chanel show, the singer traded in her rainbow locks for striking black hair that's the perfect complement to her pale complexion.

Katy attended the 2013 American Music Awards with voluminous jet-black curls.

At the 2013 Grammy Awards, Katy wore a glossy braided updo that was both sophisticated and a little funky — just like her.

At MOCA's 35th Anniversary Gala, Katy's sleek lob with long bangs drew attention to her mod cat eye.

Katy attended the 2013 NRJ Music Awards with a long, braided pony that complemented her detailed gown.

Katy appeared at an event for Staples with a tousled green bob with black roots.

At the 2014 MTV Video Music Awards, Katy was back to black with long wavy locks and brow-grazing bangs — as a nod to Britney Spears.

Katy Perry attended the Harper's Bazaar Icons party with a glossy oxblood mane.