Kate Bosworth Cuts 12 Inches Off Her Hair — Plus 19 More Celebs Who Look Completely Different With Short ‘Dos!

Abigail Breslin

The Little Miss Sunshine star lighten up her locks before debuting a choppy bob during NYFW in 2015.

Katie Holmes

The mother-of-one showed off with a short —and curly— cut on the set of her new movie All We Had.

We're sure daughter Suri approved.

Amanda Seyfried

“When in doubt — anything — you’re depressed, you’re really uninspired in your life — cut your f—ing hair," she told People of her shorter 'do. "I swear to God. And then give it away.”

Giuliana Rancic

The E! News personality is always changing up her look, but her best look is a shoulder-length bob.

Jennifer Lopez

The Puerto Rican beauty chopped off her famous locks for her role in the NBC series Shades of Blue.

"J.Lo is very passionate about her new role and has a very specific idea of who the character is and what she should look like," her stylist told the Hollywood Reporter. "It's a character she's created to suit a specific need, and the cut reflects that."

Alanis Morissette

It's not ironic that the mother-of-two chopped off her long locks just in time for summer.

"Short hair, 'do care 😉 Summer or bust. long live the androgyne! #liberation #evanrachelwood #kristenstewart #muses #whalerider #ingermankindergartenichoppedmyhairofflikethis #gottabeabetterwordthantomboy," she captioned the selfie.

Britney Spears

The princess of pop ditched the hair extensions and opted for a simple bob.

Jennifer Lawrence

JLaw surprised fans when she chopped off her hair in 2013 after wrapping up the Hunger Games franchise.

Vanessa Hudgens

Fans may love the High School Musical star's hair short, but when she cut her own hair for her role in the 2011 movie Gimme Me Shelter, she was not impressed with her work.

"Honestly, I kind of feel like a soccer mom, but we're going to let that go," she told Access Hollywood. "There's nothing wrong with soccer moms, but I'm only 22! I miss [my hair,] believe me, I do, but there's nothing I can do about it."

Joanna Krupa

The former Real Housewives of Miami star proves she has the model appeal with or without her signature long blonde locks.

Brooklyn Decker

"I like that I sort of look like a dude. It feels much more rock and roll now," the model said of her cute.

Kate Bosworth

Once again, another actress cut her hair for a role.

“Bobs are a trend right now,” Kate's hairstyle told People, but “Kate’s really focused on her craft now more so than beauty so this cut was about her movie — not a beauty trend.”

Rosie Huntington-Whiteley

The British beauty started her 2015 off with a new look.

"Ready for 2015 equipped with a fresh new do," she captioned the selfie of her layered bob.

Kate Upton

The Sports Illustrated model had fans convinced she chopped off her hair, but it was revealed it was actually a faux bob.

""Kate has sported the 'faux bob' in the past—she loves it," her stylist told E!. "This time Kate wanted people to think it was real. We also did this look for Halloween a few years back when she dressed as Marilyn Monroe."

Lauren Conrad

The Hills star proves she can rock long or short hair.

Agyness Deyn

The English model completely transformed thanks to her now signature bleach blonde pixie cut — and she has never looked back.

Zendaya

Is there a hairstyle Zendaya can't pull off?

Kristin Cavallari

It was revealed that Kristin's haircut was inspired by Britney Spears!

Jared Leto

When it comes to Jared Leto's — the longer, the better!

Halle Berry

When it comes to the best pixie haircuts in Hollywood history, Halle has to be on the top of the list.

Pamela Anderson

Bye, bye beach waves!

Kaley Cuoco

The Big Bang Theory star treated herself to a post-wedding pixie cut in 2014.

Brad Pitt

When it comes to hair transformations, Brad has never gone wrong.

Charlize Theron

For her role in the blockbuster hit Mad Max: Fury Road the South African beauty chopped it all off for her role as Furiousa.

Miley Cyrus

Proving she was no longer a Disney Channel star, Miley rocked a pixie cut while twerking her way into her '20s.

Beyoncé

Queen Bey can do no wrong.

Emma Watson

The British beauty said goodbye to Hermione with her infamous pixie cut.

Chris Hemsworth

We have a feeling fans prefer the Australian actor with his Thor-length hair.

Kim Kardashian

With her glam squad, we don't blame the KUWTK star for always changing up her look.

Jessica Alba

Short or long, she will always be Honey to us.

Bethenny Frankel

The Skinny Girl founder was clearly ready for a change when she rocked what her stylist called a "mob."

Elizabeth Olsen

The younger Olsen sister channeled her famous twin sisters with this blonde bob.

Miranda Kerr

"Well, I've been wanting to cut my hair now for at least a year. I've often fantasized about it but I haven't been able to do it because of the contracts that I've had, but now I just got clearance from all the clients that I work with, so I was like, "Let's just do it," she told Harper's Bazaar. "And everyone's like, "Oh, we should do it for a special event, but I just wanted to cut it—I'm ready."