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Miranda Cosgrove -

This lesser-known talent from 'Drake & Josh' rose to even greater fame as the star of her own Nickelodeon series, 'iCarly.'

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Miranda Cosgrove -

Now an adult, the actress is widely recognized for her contributions to the 'Despicable Me' series with her voice acting. Additionally, she pursued higher education at the University of Southern California, focusing on film and psychology. In 2021, she returned to the beloved role that brought her immense recognition, as she stars in the 'iCarly' reboot.

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Jerry Trainor -

Trainor showcased his unique charm on both 'Drake & Josh' and 'iCarly' alongside Miranda Cosgrove.

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Jerry Trainor -

He has since provided the voice for the main character on 'T.U.F.F. Puppy,' and voiced two characters in the animated series 'Transformers: Robots In Disguise.' You can also see him in the revived 'iCarly' series.

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Nathan Kress -

He gained initial fame and popularity portraying Freddie Benson in the television series 'iCarly' and its spin-off 'Sam & Cat.'

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Nathan Kress -

He was in charge of directing several Nickelodeon shows, took on roles as a husband and a father, and contributed his voice to the Netflix animated series 'Pinky Malinky.' He also made a comeback for the reboot.

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Jennette McCurdy -

McCurdy began her journey on 'iCarly' and later starred in 'Sam & Cat,' a spin-off series.

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Jennette McCurdy -

In 2017, she collaborated with her 'iCarly' co-star Nathan Kress on a short film that she co-wrote and co-directed. She made the decision to focus on acting and directing, ultimately leaving acting behind in 2017. In 2022, she published a popular memoir called 'I'm Glad My Mom Died,' where she bravely revealed the abuse she endured during her time as a child star, not only from her mother but also from other adults.

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Ariana Grande -

Though you know her well now, Grande got her big break on 'Victorious,' and later starred in the spin-off 'Sam & Cat.'

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Ariana Grande -

Naturally, her music journey has completely overshadowed her acting path, and she continues to captivate the world as a pop star. 

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Victoria Justice -

Justice first appeared as Lola on 'Zoey 101,' and later became a lead on 'Victorious.'

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Victoria Justice -

Afterward, she gained recognition for her roles in 'The Rocky Horror Picture Show: Let's Do the Time Warp Again' and 'Naomi and Ely's No Kiss List.'

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Matt Bennett -

Robbie, the awkward character from 'Victorious', finally separated from Rex the puppet...

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Matt Bennett -

He also made appearances as a guest star in popular shows such as 'The Big Bang Theory,' 'Shameless,' 'Fresh Off the Boat,' and 'American Vandal.' Additionally, he was featured in Ariana Grande's music video for 'Thank U, Next.'

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Elizabeth Gillies -

Gillies made her acting debut with a major role in 'Victorious.'

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Elizabeth Gillies -

She has since gained recognition for her role in the reboot series of 'Dynasty.'

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Avan Jogia -

Wait until you see how this 'Victorious' actor went from teen heartthrob to grown-up dreamboat! 

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Avan Jogia -

Jogia acted alongside Victoria Justice in a comedy film titled 'The Outcasts,' and took the lead role in the thriller 'The Drowning' and the sci-fi series 'Ghost Wars.'

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Emma Roberts -

Remember when Roberts was the epitome of that awkward middle school phase in 'Unfabulous'?

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Emma Roberts -

She has since appeared in television shows such as 'American Horror Story' and 'Scream Queens,' and also in movies like 'We're the Millers,' 'Nerve,' and 'Billionaire Boys Club.'

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Jordan Calloway -

Calloway acted alongside Emma Roberts in 'Unfabulous.'

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Jordan Calloway -

He is widely recognized for playing Chuck Clayton on the popular TV show 'Riverdale' and also holds a leading role in 'Black Lightning.'

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Kel Mitchell -

Mitchell acted in the popular series 'All That' and 'Kenan & Kel.'

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Kel Mitchell -

He has appeared on 'Game Shakers' and 'Dancing with the Stars' and has proven himself as a comedian, musician, singer, and rapper.

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Kenan Thompson -

Thompson's initial comedy success came from 'All That' and 'Kenan & Kel.'

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Kenan Thompson -

He is now widely recognized for his comedic performances on 'Saturday Night Live.'

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Drake Bell -

Bell was a Nickelodeon powerhouse, starring in 'All That,' 'The Amanda Show,' and 'Drake & Josh.'

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Drake Bell -

He provided the voice for the animated Spider-Man, and also pursued a music career.

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Josh Peck -

Peck's adorable face was a constant presence alongside Bell on 'All That,' 'The Amanda Show,' and 'Drake & Josh.'

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Josh Peck -

The change is truly inspiring! He has posted vlogs on YouTube, hosted a podcast, and has acted in movies such as 'Take the 10' and 'Locating Silver Lake.' However, his more remarkable recent accomplishments can be seen in his television work, including the 'Turner & Hooch' series and 'How I Met Your Father.'

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Keke Palmer -

Palmer is well-known for her leading role in 'True Jackson, VP' on Nickelodeon.

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Keke Palmer -

Palmer achieved greatness by becoming the first African-American actress to play Cinderella on Broadway. She had roles in 'Scream Queens,' pursued a music career, authored a book, started her own label, and starred in the film 'Nope' released in 2022.

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Ashley Argota -

Argota portrayed the character of Lulu in 'True Jackson, VP

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Ashley Argota -

Lou is now known as an edgy musician on 'The Fosters.' She has also collaborated with fellow Nickelodeon alum Drake Bell in the film 'Cover Versions', alongside her work on other shows.

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Jamie Lynn Spears -

Following her appearance on 'All That,' Spears embarked on her own show called 'Zoey 101.' Her announcement of teenage pregnancy at 16 halted her career.

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Jamie Lynn Spears -

In 2013, she started a career in country music. By 2019, she had become a cast member in the romance drama series 'Sweet Magnolias.' Then, in early 2023, she made an announcement about a reboot of 'Zoey 101.'

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Paul Butcher -

This young actor portrayed Dustin, Zoey's mischievous younger brother, in the show 'Zoey 101.'

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Paul Butcher -

He has since showcased his singing talent by releasing his debut song, 'Ain't Hurtin' Nobody,' in 2017.

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Erin Sanders -

In 'Zoey 101', Sanders portrayed Quinn Pensky, a quirky lover of science.

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Erin Sanders -

She has subsequently made appearances on television shows such as 'Mad Men' and 'Melissa & Joey,' as well as the film 'Limelight.'

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Sean Flynn -

Who can forget Chase Matthews from the beloved show 'Zoey 101'?

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Sean Flynn -

Since then, his most popular moment occurred in a video from 2015 where, 10 years later, his character Chase nearly proposes to his girlfriend but then realizes he is still not over Zoey.

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Meagan Good -

Who remembers the show where a puppet comes to stay with his human family? Those strange memories are thanks to 'Cousin Skeeter.'

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Meagan Good -

The actress gained recognition for her role in the film 'Think Like A Man,' and ventured into the thriller genre with 'The Intruder' in 2019. From 2021 onwards, she has been prominently featured in the television series 'Harlem.'

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Romeo Miller -

Miller, formerly known as Lil' Romeo, starred in the show 'Romeo!', which aligned perfectly with his image.

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Romeo Miller -

He has continued his career in acting and music, appearing as a guest on the show 'Empire' and starring in the reality series 'Growing Up Hip Hop.'

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Nat Wolff -

Nat is the elder sibling in 'The Naked Brothers Band,' a comical adaptation of the Wolff brothers' actual experiences.

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Nat Wolff -

Following that, he went on to appear in movies such as 'The Fault in Our Stars' and 'Paper Towns,' and also took part in the Off-Broadway production of 'Buried Child.' In addition, he continued pursuing his music career.

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Alex Wolff -

The drummer in 'The Naked Brothers Band' was this small star.

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Alex Wolff -

Since then, he has experienced significant growth in his career, taking on memorable roles in movies such as 'Jumanji: Welcome to the Jungle' and the horror film 'Hereditary.' Additionally, he can be seen in the 2019 film 'Human Capital,' and 2023's 'Oppenheimer.'

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Qaasim Middleton -

Don't forget the guitarist from 'The Naked Brothers Band,' who was an honorary brother.

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Qaasim Middleton -

Middleton’s role as DJ Big Planet on Netflix's 'The Get Down' propelled his career. Additionally, he appeared on Season 14 of 'American Idol,' reaching the finals.

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Devon Werkheiser -

During his childhood, he was better recognized as "Ned" from 'Ned's Declassified School Survival Guide' rather than his birth name, "Devon."

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Devon Werkheiser -

He still provides advice on YouTube and has appeared in multiple films, such as 'Sundown' and 'Where's the Money.' Additionally, he pursues his passion as a singer-songwriter.

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Lindsey Shaw -

Shaw achieved her breakthrough role as Moze, a dependable friend on 'Ned's Declassified School Survival Guide.'

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Lindsey Shaw -

After her appearance in the series '10 Things I Hate About You,' she went on to have a recurring role in 'Pretty Little Liars'.

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Daniel Curtis Lee -

Lee portrayed Cookie, the endearing geek, in 'Ned's Declassified School Survival Guide.'

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Daniel Curtis Lee -

Lee underwent a significant transformation and made a name for himself as a rapper. According to reports, he excelled academically and earned a degree from California State University.

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Christian Serratos -

Serratos gained recognition as Suzie in 'Ned's Declassified School Survival Guide.'

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Christian Serratos -

Afterward, she made appearances in the 'Twilight' series, the 'The Secret Life of the American Teenager' series, and 'The Walking Dead.'

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Austin Butler -

Butler initially played a supporting role on 'Ned's Declassified School Survival Guide' and later became romantically involved with a character on 'Zoey 101.'

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Austin Butler -

He later made appearances in multiple well-known TV shows, but it was his performance in movies that garnered significant recognition. Without a doubt, we are referring to his leading role in the critically acclaimed film 'Elvis,' which earned him an Oscar nomination in 2022.

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Amanda Bynes -

Following her appearance on 'All That,' the actress went on to have her own sketch series titled 'The Amanda Show.'

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Amanda Bynes -

Regrettably, she has faced legal issues and battled addiction to drugs and alcohol. Additionally, she has been burdened by mental health problems.

See also: Most memorable celebrity arrests

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