Blake Lively, Hairstyle

Instagram / GC Images

Blake Lively is making everyone do a double take. 

The actress was clearly ready to transform for her upcoming role in The Rhythm Section. Directed by Reed Morano and based on the thriller novel series by Mark Burnell, the movie hones in on a woman seeking revenge on those responsible for her family's plane crash. 

In honor of the new character, Lively has switched out her signature long blond tresses for a blunt black bob. The look is surprising on first glance, unlike any style Lively has sported in her career as of yet. 

While it's unclear if the actress let a stylist take a scissor to her real locks or if this is the result of an expertly styled wig, fans are nonetheless reacting to her bold new look. 

"Is there any look she can't rock?" one fan questioned on Lively's Instagram post of the pixie. "Love this look on you!!!" another opined. 

This role certainly presents a change from Lively's expertly styled red carpet ensembles. Last month, Lively sparked headlines when she was spotted on set in Dublin sporting a disheveled shag and dirty jacket, requiring fans to do a double take yet again. 

According to The Hollywood Reporter, Lively's character adopts the identity of an assassin in her quest to discover who murdered her family, which could explain her changing looks. 

Whatever the case, Lively has our attention. While we wait for the film's release, slated for 2019, take a look at more star-studded hair transformations below:

Leighton Meester, hair

Mireya Acierto/Getty Images, Instagram

With help from colorist Aura Friedman and a Keraphix protein treatment from Nexxus, the Gossip Girl star successfully underwent a platinum blonde hair transformation

Julianne Hough, Hair

Jennifer Graylock/Getty Images; Instagram

While celebrating Valentine's Day with husband Brooks Laich, the Dancing With the Stars judge debuted her new red hair. 

Blake Lively, Hairstyle

Instagram / GC Images

In honor of her upcoming film, The Rhythm Section, the actress shed her usual long blond locks for a black pixie cut. 

Katie Holmes, Haircut

Gotham/GC Images/starzfly/

The actress debuted a new pixie cut in October 2017.

Cara Delevigne

Getty Images

The model debuted a white-blonde hairstyle in March 2017.

Ruby Rose Hair

Getty Images/Instagram

The Orange Is the New Black star debuted a new pink hairstyle in December 2016.

Cara Delevingne, Hair

Vince Flores/; Getty Images

The Suicide Squad actress debuted a new lob at San Diego Comic-Con International 2016.

Lin-Manuel Miranda

Walter McBride/WireImage

The Hamilton creator and star debuted a new short 'do after his final performance in the hit Broadway musical.

Emma Stone Hair

Getty Images; EVGA / AKM-GSI

The Amazing Spider-Man actress is best known for her reddish locks. She dyed her hair dark brown in spring 2016 and later debuted a short, platinum 'do—a lighter, shorter version of a style she rocked in late 2013.

Jenny McCarthy, Brunette, Blonde, Hair

Julius Michael / Instagram

The TV and radio personality debuted a new brunette style with blond highlights in May 2016. "Just when everyone starts going blonde for summer @jennymccarthy does the exact opposite," her hairstylist, Julius Michael, wrote on Instagram.

Cate Blanchett, Hair

Can Nguyen/REX/Shutterstock; Richard Shotwell/Invision/AP

The Oscar-winning actress debuted a cotton candy look in March 2016.

Rebel Wilson

Getty Images; AKM-GSI

The Pitch Perfect star debuted bright orange locks in March 2016.

Sarah Michelle Gellar, Brown Hair, Instagram

Instagram; Getty Images

The actress debuted this seemingly Kathryn Merteuil-inspired look on Instagram a week after she revealed she was going to play her Cruel Intentions role again in an upcoming NBC sequel pilot.

Zayn Malik Hair

Jackson Lee/Splash News; Twitter

The former One Direction singer debuted a pink 'do a day before Valentine's Day 2016.

Anne Hathaway, Hair

Emma McIntyre/Getty Images; Instagram

The actress debuted a new, blonde hairstyle on Instagram on Feb. 7, 2016.

Zendaya Coleman

Vincent Sandoval/WireImage

The Disney Channel actress debuts a new blond pixie cut in January 2016 and sported it at the launch of her new shoe collection, Daya by Zendaya, hosted by WE tv's David Tutera CELEBrations at Raleigh Studios in Los Angeles.

Allison Williams, Nicki Mianj

Jason Merritt/Getty Images/Instagram

The Girls star debuted bangs less than a month before the season five premiere of the HBO show.

Will Forte, TCA

Todd Williamson/Getty Images

The Last Man on Earth actor did this to himself before FOX's 2016 Winter TCA Tour All-Star Party.

Salma Hayek

Instagram; Getty Images

The actress posted on her Instagram page on Jan. 13 a photo of her sporting a sassy new hairstyle—a sleek Lob, or long bob. The look is for her new movie, Drunk Parents.

Lauren Conrad, Red Hair


The former The Hills star and fashion designer debuted a new red 'do, which matched her hairstylist's look.

Alyssa Milano, Short Hair


The actress debuted a pixie cut on her 43rd birthday, sporting a look she had about 12 years prior, when she starred on Charmed.

Lauren Cohan

Getty Images

The Walking Dead's Maggie debuted a pixie cut in late 2015.

Rose McGowan, Shaved Head


The actress debuted a shaved head in a photos postede on her Instagram page in November 2015.

Kate Mara, Hair

Michael Buckner/Getty Images for Max Mara

The star cropped her hair into a chic pixie cut, which she debuted at the Chateau Marmont in West Hollywood on June 15.

Hair Transformations, Beyonce


Beyoncé's striking pixie basically shut down the Internet.

Hair Transformations, Britney Spears


Britney Spears proves she can look good in any do!

Hair Transformations, Miley Cyrus


Miley Cyrus kissed Hannah Montana goodbye with this edgy platinum pixie.

Hair Transformations, Keri Russell


Felicity's Keri Russell chopped off her signature long curly locks in 1999.

Hair Transformations, Jennifer Lawrence


Jennifer Lawrence surprised everyone by showing off her new pixie cut!

Hair Transformations, Victoria Beckham

Frederick M. Brown/Getty Images

Victoria Beckham's blond asymmetrical bob was both posh and spicy!

Hair Transformations, Justin Bieber

Kevin Winter/NBCUniversal/Getty Images

Justin Bieber showed off a more mature cut after chopping off his signature bangs.

Hair Transformations, Kim Kardashian

KCS Presse / Splash News

Kim Kardashian was the definition of blond bombshell when she debuted the lighter do.

Hair Transformations, Taylor Swift


Taylor Swift transformed from sweet country crooner to a sassy star when she traded in her long curls for a sexier, sleeker style.

Hair Transformations, Charlize Theron

JB Lacroix/WireImage

Charlize Theron shocked everyone when she shaved her head for her role in Mad Max: Fury Road.

Hair Transformations, Kristen Stewart

Element/Fame Pictures

Kristen Stewart committed to her role as Joan Jett so much that she sported this epic '80s cut.

Hair Transformations, Zac Efron

Michael Tran/FilmMagic

Zac Efron said goodbye to his High School Musical days by chopping off the school boy locks.

Hair Transformations, Jared Leto


Jared Leto is hotter than ever sporting this neon green shade!

Hair Transformations, Kylie Jenner

Frazer Harrison/Billboard Awards 2014/Getty Images for DCP

Kylie Jenner's blue and black ombré locks cemented the youngest Jenner as a trendsetter.

Hair Transformations, Summer Holt Miller, Kellie Pickler

Courtesy Russ Harrington

Kellie Pickler shaved her head in 2012 after one of her friends was diagnosed with breast cancer.

Hair Transformations, Jennifer Lawrence, Bradley Cooper


Only Bradley Cooper could make this perm look so sexy.

MORE PHOTOS: Celebs' changing hair colors

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