Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (we couldn't resist). Check out Julianne Hough's fresh blonde tresses, Hilary Duff's new gray hue, Christina Aguilera's shoulder-grazing lob and these other major mane changes

  • DIANNA AGRON photo | Dianna Agron

Credit: Alberto E. Rodriguez/Getty; Jim Smeal/BEImages

Updated: Saturday May 02, 2015 | 06:00 AM EDT By: Sarah Kinonen

DIANNA AGRON

After a brief stint as a redhead, the Glee actress apparently decided that being blonde is where it's at and went back to her roots, lightening up her locks just in time for summer.