What 19 celebrities look like without their signature hairstyles

Harry Styles changed up his look with short hair.Pascal Le Segretain/Getty Images; Dimitrios Kambouris/Getty Images for The Met Museum/Vogue

• Some celebrities are known to change up their style by cutting, dyeing, or restyling their hair, but others rarely stray from their signature looks.
• Actresses like Reese Witherspoon, Blake Lively, and Jennifer Lawrence are known for their blonde hair, but all of them have tried out darker colors as well.
• Other stars like Ariana Grande and Janelle Monáe have signature hairstyles, but they've been known to switch it up sometimes.
• Harry Styles, Jason Momoa, and Taylor Kitsch are all known for their shaggier looks, but they've also worn their hair shorter.

There are some stars who choose to change up their hairstyle every few months, but there are plenty of other celebrities who stick to a signature style.

In fact, some have kept the same hairstyle for so long that we can't imagine them without it.

Here's what some stars look like without their signature hairstyles.