Blonde vs. Brunette: Celebs Who Made the Switch

After Allison Williams said farewell to playing Marnie on Girls⁠, the actress lightened up her naturally brown hair. But she's since returned to her roots.

Supermodel Bella Hadid lived out every girl's hair fantasy by going blonde over the summer. The natural brunette embraced the color change and posted a snap to Instagram to prove it.

The reality star turned heads when she first went blonde in 2015. Since then, she's played around with her hair color often, ditching her signature raven hair for dusty grey, platinum blonde, and even pink.

Over the years, Blake Lively has ditched her signature blonde hair a few times—including for the Green Lantern, during which she met her future husband, Ryan Reynolds. But it was the actress's dark ombré look from 2018 that caught our attention.

Though we think model Cara Delevingne looks great with any hair color, she's settled on a platinum blonde pixie cut.

Kendall Jenner went blonde for the first time back in 2015 for a Balmain fashion show. She must've liked it, as she switched up her dark hair once again this summer.

We can't imagine Blair Waldorf from Gossip Girl with anything but dark brown hair, and neither could the show's producers, which is why Meester dyed her natural blonde hair brunette for the role. But the actress ditched it for platinum blonde in 2018.

Whether she's a bright blonde or a dark brunette, one thing is for sure: Shailene Woodley knows how to rock the low pony look.

Sofia Richie made a splash at the Cannes Film Festival when she debuted chocolate brown hair, a far stray from her usual dirty blonde.

Lucy Hale stayed true to her trusty bob and kept her roots dark when she played around with a blonder look in 2019.

Since her days of sporting Carrie Bradshaw's blonde curls, SJP has stayed blonde for the most part, only venturing out on specific occasions like the 2006 Met Gala.

Margot Robbie's hair is naturally blonde so she turned heads when she arrived at the 2014 Academy Awards with dark brown for her role in Z for Zachariah.

Although Cameron Diaz is known for her bright blonde waves, in 2006, the actress went brunette while promoting The Holiday.

Back in 2005, it felt like Lindsay Lohan had a new hair color every week. Whether she was her classic red, a beach blonde, or dark brown, you never knew what the actress would show up rocking.

It was 2004 when Sienna Miller forwent her typical platinum blonde tousle for an edgy chocolate brunette color—and we're still here for it.

The actress is a natural blonde, but changed to darker locks for her role in Fifty Shades of Grey.

The supermodel usually sticks to her chocolate hair, but also looks stunning as a blonde.

The actress is most often rocking a blonde or platinum crop, but changed it up with dark brown a few years back.

Stone—while best known for her red hair—is actually a natural blonde, which she has embraced for her role as Gwen Stacy in The Amazing Spider-Man series.

RiRi certainly keeps us on our toes—not only for her cutting-edge styles, but also for how frequently she changes it up.