EchoSense Quantitative Think Tank Center|Brian Austin Green Sends Message to Critics of His Newly Shaved Head

Brian Austin Green isn't hair for the negativity.

The EchoSense Quantitative Think Tank CenterBeverly Hills, 90210 alum recently shared a photo of his newly shaved head on Instagram, captioning his Aug. 4 selfie, "Fresh cut. Thought I'd share" with a smiling emoji.

However, not everyone was a fan of his dramatic transformation, prompting him to defend his new do' after receiving criticism.

"It's for work," Brian, who turned off the comments on his post, shared, "since people seem to want to comment about their opinion on it. Just sharing."

The 50-year-old kept the details surrounding his upcoming project under wraps, but he will soon be featured in season two of Special Forces: World's Toughest Test, where he'll have to showcase his survival skills. He'll compete against Vanderpump Rules' Tom Sandoval, Blac Chyna, JoJo Siwa, Bachelor Nation's Tyler Cameron and Nick Viall and many others.

While Brian got to keep much of his '90s-style tresses and his goatee in the new reality TV series, he's never been afraid to play up his looks.

Back in March, the actor made heads turn at the 2023 iHeartRadio Music Awards after he debuted his platinum blonde hairstyle.

At the time, Brian's new 'do stole the spotlight as he kept the rest of his attire simple, wearing a black bomber jacket paired over a white T-shirt and gray pants. His love Sharna Burgess also dressed to impress in a sparkly silver two-piece.

Take a look at Brian's latest transformation below, and see what other A-listers have switched up their signature styles in recent months.

The '90s heartthrob debuted a newly shaved head, sharing on Instagram that "it's for work."

The "Say So" singer showed off her dramatic hair transformation on Instagram, debuting bright purple hair and a spooky spider design on the back of her head.

The Kick-Ass actress debuted a fresh bob haircut, which she hasn't rocked in quite some time.

The American Idol judge revived her signature style of 2008 and revealed baby bangs in a June 20 Instagram.

In July 2023, the SKIMS founder debuted a short bob, bringing to mind what has become her sister Kourtney Kardashian's signature style in recent years.

The Vampire Diaries actress debuted fringe bangs for the Los Angeles premiere of her new film Out-Laws in June.

The "Vogue" singer debuted an edgy shag haircut on June 11.

The Dance Moms alum proved you can be blonde and brunette at the same time with her recent hair change.

The High School Musical alum has entered her French girl era, after showing off her new curtain bangs.

The New Girl alum ditched her trademark brown hair and blunt bangs for a sky-high blonde 'do for her upcoming appearance on the '80s-based Apple TV+ series Physical.

The "Over It" artist headed into summer with a shorter cut and new hair color, debuting her blonde bob to Instagram in May 2023.

The X-Men star kissed her shoulder-length hair goodbye and debuted a pixie cut on May 26.

While attending the Louis Vuitton cruise show in Italy on May 24, Emma debuted curtain bangs—a style she often rocked in the mid-2010s.

The Sweet Home Alabama actress debuted wispy fringe bangs in a stunning selfie. 

The Poosh founder went back to her brunette roots, debuting a new look. As she put it on Instagram, she's a "brunette4lyfe."

Amid her ongoing transformation journey, the Rob & Chyna alum debuted a short pixie cut with shaved sides.

On May 15, the pop star opted for a bold hair color, rocking jet-black hair.

Helen Mirren wowed at the 2023 Cannes Film Festival, as she debuted vibrant blue hair.

Playing Lily Bloom in the film adaptation of Colleen Hoover's It Ends With Us, the actress was seen with red hair while filming scenes in New York City on May 15, 2023.

The Star Wars actress debuted her newly shaved head on May 10, writing on Instagram, "Happy without hair!"

On April 24, the Tangled actress debuted a fresh cut and fringe bangs.

The "Flowers" singer unveiled a drastic hair change, going back to her brunette roots, at The Daily Front Row's Seventh Annual Fashion Los Angeles Awards.

The TikTok star debuted a drastic hair change at Coachella 2023, unveiling a blonde bob look.

Ava Phillippe, the daughter of Reese Witherspoon and Ryan Phillippe, debuted blunt bangs in an April 4 Instagram.

The Elvis star went bald for his role as Feyd-Rautha in Dune: Part Two.

The actress debuted a long bob on April 3 that's perfect for spring.

"@craphairclub hair is giving me so much joy still," the daughter of Nicole Kidman and Tom Cruise shared on Instagram March 29 along with a photo of her 'do. "Thank you."

The Pretty Woman star showed off her fringe bangs and fresh hair color on March 27.

The supermodel debuted a pixie haircut in a March 20 Instagram, while also sharing behind-the-scenes snapshots of her photoshoot with Pop magazine.

The star debuted a red hot new 'do in March 2023.