13 Celebrities Who Never Change Their Hair

Finding what works and sticking to it seems to be what a certain set of Hollywood stars go by when it comes to their hairstyles. Whether it's Anna Wintour's iconic blonde bob or Zooey Deschanel's ever-present bangs, one thing's for sure: These evergreen hairstyles just work. Click through the gallery ahead to see for yourself.

Zooey Deschanel's Bangs(Photo by Kevin Winter/Getty Images)

Gwen Stefani's Retro Blonde Curls (Photo by Joshua Blanchard/Getty Images)

Mariah Carey's Voluminous Blonde Waves (Photo by Tibrina Hobson/Getty Images)

Ellen DeGeneres' Blonde Pixie Cut (Photo by Anthony Harvey/Getty Images)

Ariana Grande's High Ponytail (Photo by Michael Kovac/AMA2016/Getty Images for FIAT)

Blake Lively's Long Locks (Photo by Andrew Toth/Getty Images)

Amy Adams' Strawberry Blonde Waves (Photo by Vittorio Zunino Celotto/Getty Images for Giffoni)

Whoopi Goldberg's Dreadlocks (Photo by Roy Rochlin/FilmMagic)

Salma Hayek's Slick, Dark Strands (Photo by Axelle/Bauer-Griffin/FilmMagic)

Reese Witherspoon's Honey Blonde Color (Photo by Mike Marsland/Mike Marsland/WireImage)

Michelle Williams' Icy Blonde Pixie Cut (Photo by Gabe Ginsberg/Getty Images)

Anna Wintour's Classic Bob (Photo by Taylor Hill/Getty Images)

Sandra Bullock's Beachy Waves (Photo by Jeff Spicer/FilmMagic)