April 16, 2012 - 5:26am by Jess
We all know that pop princess Katy Perry loves to rock brightly-colored 'dos -- over the past year alone we've seen her naturally brown hair dyed bright blonde, bubblegum pink, and Easter egg blue.
Well, now Katy's locks have been transformed once again -- and this time they're purple! Katy was spotted at the Coachella Music Festival this weekend with longer, dark purple hair... and we love it!
Check out the photos after the jump!