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

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.