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For millions of television viewers growing up in the 1990s, Mark-Paul Gosselaar was the ultimate teenage heartthrob.
With his perfectly styled blond hair, mischievous smile, and effortless charm, he became a household name as Zack Morris on the beloved sitcom Saved by the Bell.
But more than three decades after the show’s original run, the actor has a noticeably different appearance.
Now in his 50s, Gosselaar has traded his famous blond hairstyle for darker hair, often accompanied by a beard and touches of gray.
His transformation is a reminder of just how much time has passed since the halls of Bayside High first captured viewers’ hearts.
The Blond Teenager Who Became a ’90s Icon
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When Saved by the Bell premiered in 1989, Gosselaar was just 15 years old.
His character, Zack Morris, was the charming troublemaker who always seemed to have a clever plan, whether he was trying to avoid homework or impress Kelly Kapowski.
Alongside Mario Lopez, Tiffani Thiessen, Elizabeth Berkley, Lark Voorhies, and Dustin Diamond, he helped make Bayside High one of television’s most recognizable fictional schools.
Interestingly, Zack’s famous blond hair wasn’t Gosselaar’s natural color. The actor has explained that he dyed his hair for years while playing the character.
Entertainment Tonight
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His Appearance Today Might Surprise Fans
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In more recent appearances, the actor has been photographed with dark hair, light facial hair, and a more mature style.
At the 2025 Critics Choice Awards, he appeared in a white tuxedo with slicked-back hair and designer stubble — a dramatic contrast to the colorful outfits and blond locks that defined his teenage television years.
But the change isn’t necessarily a complete reinvention. Much of it comes from leaving behind the hair color and styling associated with Zack Morris.
The Sun
He Never Really Left Hollywood
Unlike some former child stars who disappear from the entertainment industry, Gosselaar built a substantial career beyond his breakout role.
He appeared in several successful television series, including NYPD Blue, Franklin & Bash, Pitch, and Mixed-ish.
More recently, he portrayed the unsettling character Hugh Evans, also known as Sir, in NBC’s drama Found.
The darker role showed audiences a very different side of the actor who once played Bayside High’s resident prankster.
EW.com
A 2026 Appearance That Had Fans Doing a Double Take
In June 2026, Gosselaar made headlines again after appearing at a television promotional event in Toronto.
Wearing a cropped white top, blue shorts, and striped socks, the 52-year-old actor danced onstage while promoting his comedy project Bulges.
His playful performance and muscular appearance quickly generated reactions online.
Some viewers were delighted to see the former teen idol embracing the moment, while others debated whether the exaggerated-looking abdominal muscles were real or part of the costume.
Regardless of the discussion, the appearance demonstrated that Gosselaar still knows how to entertain an audience.
Parade
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The Family Man Behind the Famous Face
Away from the cameras, Gosselaar is a father of four.
He has two children from his first marriage to Lisa Ann Russell and two with his wife, Catriona McGinn, whom he married in 2012.
The actor has also spoken candidly about getting older.
During a 2025 appearance on the Brotherly Love podcast, he recalled advice from a therapist that helped him stop viewing aging as a race against time.
Instead of worrying about everything he hadn’t accomplished, he learned to appreciate the many possibilities still ahead.
People.com
From Zack Morris to Mark-Paul Gosselaar at 52
More than 35 years after Saved by the Bell became a television phenomenon, Gosselaar remains recognizable to generations of viewers.
His blond hair may be gone, his style has evolved, and his career has taken him into more serious roles, but his place in ’90s television history is secure.
For fans who grew up watching Zack Morris, seeing the actor today offers a nostalgic reminder of how quickly the years pass.
Did you have a crush on Zack Morris back in the ’90s — and would you recognize Mark-Paul Gosselaar today?
Curious how other ’90s favorites have changed over the years? See what happened to the young star from *Sleepless in Seattle*, discover Fabio Lanzoni’s surprising life today, and revisit Meg Ryan’s Hollywood transformation.
