Stars' Wackiest Summer Cuts & Colors

From Lauren Conrad's vibrant tips to Robert Pattinson's asymmetrical strands, see which celebs rocked the most shocking hairstyles of the season

  • KATY PERRY'S RAINBOW RANGE photo | Katy Perry

Credit: George Pimentel/WireImage; Ace Pix; Pacific Coast News

Updated: Saturday Aug 13, 2011 | 06:00 AM EDT By: Alex Apatoff

KATY PERRY'S RAINBOW RANGE

Three months, three hues! The singer initially lightened her brunette strands to a flaming red in June before showing up a month later as a bold blonde. Perry didn't stop there though, debuting pink hair in August.