Katy Perry Debuts Even Blonder Hair at Marc Jacobs Fashion Show

Katy Perry has gone even blonder!
The 32-year-old singer debuted platinum blonde locks while attending the Marc Jacobs Fashion Show in New York City on Thursday.
Photo: Getty Images for Marc Jacobs
While Perry has been blonde for the past few weeks, her new 'do is quite a few shades lighter than what she rocked at Sunday's GRAMMYs.
Photo: Christopher Polk/Getty Images
ET spoke with the "Chained to the Rhythm" singer on the GRAMMYs red carpet, where she opened up about her lightened locks.
"It's the last color I have yet to do on my head, so that's why I'm here," she shared.
See more in the video below.