Katy Perry Goes Back to Black Bob

Katy Perry Goes Back to Black Bob

She first burst on to the music scene in 2008 with dark black hair.

And since then, Katy Perry has dyed her naturally blonde locks pretty much every colour under the sun. 

But it would appear the singer has temporarily cast aside her penchant for rainbow hairstyles and gone back to black.

Check out some of the crazy hair styles and colours that Katy has opted for during her pop career…