Colin Farrell is rocking a new look.
The 44-year-old actor debuted his bald head while walking to his car in Los Feliz, Calif. on Tuesday, Feb. 2. The In Bruges star appeared to be finishing a workout as he donned a black Nike sleeveless top and gray shorts. He also wore a face mask amid the ongoing coronavirus pandemic.
The sighting comes about six weeks after Farrell was seen with a full head of dark hair. It's possible the Golden Globe winner shaved his head for a role. After all, The Lobster alum has been known to completely change his appearance for a character.
For instance, fans had to do a double take after they caught a glimpse of him playing The Penguin on the set of The Batman in October, and he's nearly unrecognizable in the film's trailer. Of course, fans will have to wait until the movie—which also features Robert Pattinson, Andy Serkis and Zoë Kravitz—is released later this year to see the complete metamorphosis.
He's also shaved his head a few times over the years, including in the early 2000s and for the 2003 movie Daredevil.
Want to see more celebrity hair transformations? Scroll on to see photos of stars switching up their styles.
On Oct. 1, Hayden returned to Instagram after taking a sixth-month break to debut her shoulder-length hairstyle and curtain bangs.
The singer underwent several hair transformations since she rose to fame in 2008, and in September 2021, she came full circle.
The actor traded his signature dark hair for a reddish brown style at the 2021 Venice Film Festival.
The Pineapple Express star opted for a lot less hair in a look he debuted in September 2021.
To help raise funds for St. Jude Children's Research Hospital, the Fixer Upper star vowed to go bald if fans donated money. After raising more than $300,000, Chip revealed his look.
The Spencer star traded in her dark-rooted tresses for an orange-tinged mane.
The "Don't Go Yet" songstress declared herself a "pyschofreak" while debuting her blunt bob on Instagram.
The "bad guy" singer went shorter with a new bob—and fans are truly happier than ever.
The Poosh founder said goodbye to her long hairstyle, and instead, opted for a fresh haircut in August 2021.
After returning home from the 2020 Tokyo Olympics, Simone debuted a fabulous new braided hairstyle.
The actress recently showed off her major new haircut, explaining on Instagram, "The movies always show women cutting their hair when all is lost but I wanted to know the feeling of making a change when things are gravy. It hits different and its foreign to me but I [love] this new new."
The Modern Family alum is rocking the red hair once again, debuting her new look after a trip to the salon in July 2021.
The actress and business mogul's hairstylist Brittney Ryan used UNITE Hair to create her beautiful soft curls to compliment her new hair color. As Jessica proclaimed, "Summer is all about color!"
The Pretty Little Liars star chopped off her lovely long tresses and debuted a beautiful bob in June 2021.
The One Direction alum is ready to run…towards a new 'do. Payne debuted his blonde hair on Instagram in June 2021.
After years of rocking the blonde, the Emmy-nominated star dyed her hair red, giving fans flashbacks to when she played Sansa Stark on Game of Thrones.
The Game of Thrones actress shows off her fabulous new bangs on Instagram Stories, writing, "Ya gal's bange'd up."
The Grammy winner debuted a chic pixie cut in May 2021 that took some fans back to her Unapologetic era.
The star debuted a platinum blond hairstyle in April 2021, more than three years after showcasing a similar hair color for a few weeks. Nikki Lee and Riwana Capri of Nine Zero One Salon used Joico Color Balance Purple Shampoo and Conditioner for the transformation.
Just in time for spring, the famous foodie gave pastel pink-tinged hair a try after sporting a wig with a similar hue.
The entrepreneur and DJ chopped off her long locks and debuted a stylish shoulder-length bob.
To make her runway return after welcoming baby Khai, Gigi switched up her signature blonde hairstyle for a fierce red look.
"Did a thing," the actress wrote alongside a photo of herself debuting her pink hair in February 2021. As the To All the Boys I've Loved Before star told her followers, "U know I love my pink."
After going blue in February, the Younger star decided to switch up her look once again in early April, returning to her blonde roots.
The Modern Family star debuted her vibrant red hair on Instagram Feb. 24, 2021.
When in doubt, think pink! The Bachelorette alum recently debuted a major hair makeover, in which she dyed her hair a pink rose color. "I've been wanting to have some fun and (temporarily) change up my hair for some time now with a fun color," she shared on Instagram on Feb. 6, "so I did it!"
The Bombshell star kissed her blonde hair goodbye and looked unrecognizable with her jet black hair. Margot debuted her major transformation, in which she donned a jet black wig on the set of David O. Russell's mysterious new movie.
The singer typically sports blonde hair of various shades but went for hot pink in February 2021.
The singer rocked a pretty pink look at the beginning of January 2021.
The "New Rules" singer debuted a dramatic makeover—a blonde bob!—in January 2021.
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Colin Farrell is rocking a new look.