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Emily Ratajkowski
Nickelodeon
Ratajkowskifirst appearedon season 3 in 2009 and in a follow-up episode later in the season in 2010as a character named Tasha.
In February of 2023, the model and actress posted athrowback clip from the guest spot she did as a teenager, and reminisced about her time on set.
“I was 16 or 17 and tooktwo weeks off school to shoot two episodes,” she shared in the video posted to TikTok, which featured footage from the appearances.
02of 19Austin ButlerNickelodeonBeforeButlerwas an Oscar-nominated movie star, he had roles on numerous kids' shows includingZoey 101,Hannah MontanaandiCarly.In 2007, theElvisactor appeared on season 1 of the Nickelodeon show as Jake in an episode aptly called “iLike Jake.”
02of 19
Austin Butler
BeforeButlerwas an Oscar-nominated movie star, he had roles on numerous kids' shows includingZoey 101,Hannah MontanaandiCarly.
In 2007, theElvisactor appeared on season 1 of the Nickelodeon show as Jake in an episode aptly called “iLike Jake.”
03of 19One DirectionNickelodeonPrior toHarry Styles,Niall Horan,Louis Tomlinson,Zayn MalikandLiam Paynegoing their separate ways, the boys ofOne Directionappeared on the Nickelodeon show as themselves after accepting an invitation to perform on the fictitious web series the show is based around.
03of 19
One Direction
Prior toHarry Styles,Niall Horan,Louis Tomlinson,Zayn MalikandLiam Paynegoing their separate ways, the boys ofOne Directionappeared on the Nickelodeon show as themselves after accepting an invitation to perform on the fictitious web series the show is based around.
04of 19Michelle ObamaLisa Rose/Nickelodeon/GettyFormer First LadyMichelle Obamaalso got in on the fun, when she guest-starred on the show as herself on an episode entitled “iMeet the First Lady.”
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Michelle Obama
Lisa Rose/Nickelodeon/Getty
Former First LadyMichelle Obamaalso got in on the fun, when she guest-starred on the show as herself on an episode entitled “iMeet the First Lady.”
05of 19Emma StoneNickelodeonAfter landing roles in films likeSuperbad,Easy AandThe Help,Stonemade a fun guest appearance on the series in 2012 as a super-fan of the web series.
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Emma Stone
After landing roles in films likeSuperbad,Easy AandThe Help,Stonemade a fun guest appearance on the series in 2012 as a super-fan of the web series.
06of 19Jim ParsonsNickelodeonDuringParsons' tenure as Sheldon Cooper onBig Bang Theory, he made a quick stop oniCarlyon season 5’s “iLost My Mind.”
06of 19
Jim Parsons
DuringParsons' tenure as Sheldon Cooper onBig Bang Theory, he made a quick stop oniCarlyon season 5’s “iLost My Mind.”
07of 19
Victoria Justice
08of 19Kenan ThompsonNickelodeonA former child star,SNL’sThompsonappeared as himself in the 2011Victorious/iCarlycrossover,iParty with Victorious.
08of 19
Kenan Thompson
A former child star,SNL’sThompsonappeared as himself in the 2011Victorious/iCarlycrossover,iParty with Victorious.
09of 19Taran KillamNickelodeonThompson’s formerSNLcastmate, Killam, also made an appearance on the Nickelodeon show before he landed the Saturday night gig. On “iMet the First Lady,” Killam played one ofMichelle Obama’s Secret Service agents.
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Taran Killam
Thompson’s formerSNLcastmate, Killam, also made an appearance on the Nickelodeon show before he landed the Saturday night gig. On “iMet the First Lady,” Killam played one ofMichelle Obama’s Secret Service agents.
10of 19Tina Fey and Jimmy FallonNickelodeonFeyandFallonappeared on one of the series' final episodes, in which theTonight Showhost invited theiCarlykids to appear on his show.
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Tina Fey and Jimmy Fallon
FeyandFallonappeared on one of the series' final episodes, in which theTonight Showhost invited theiCarlykids to appear on his show.
11of 19Jack BlackLisa Rose/Nickelodeon/EverettAfter starring together in 2003’sSchool of Rock,Blackreunited withMiranda Cosgrove, who plays Carly, on an episodecalled, “iStar a Fan War.”
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Jack Black
Lisa Rose/Nickelodeon/Everett
After starring together in 2003’sSchool of Rock,Blackreunited withMiranda Cosgrove, who plays Carly, on an episodecalled, “iStar a Fan War.”
12of 19
Harry Shum Jr.
13of 19David ArchuletaNickelodeonTheAmerican Idolrunner-upappeared on an episode entitled “iRocked the Vote,” in which he competed, as himself, in a fictitious competition show calledAmerica Sings.
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David Archuleta
TheAmerican Idolrunner-upappeared on an episode entitled “iRocked the Vote,” in which he competed, as himself, in a fictitious competition show calledAmerica Sings.
14of 19Randall ParkNickelodeonTheAlways Be My Maybeactor appeared in an early episode of the series as a teacher at the kids' high school, in an episode entitled “iGot Detention.”
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Randall Park
TheAlways Be My Maybeactor appeared in an early episode of the series as a teacher at the kids' high school, in an episode entitled “iGot Detention.”
15of 19Jordan FisherNickelodeonBefore starring in films likeTeen Beach MovieandToAll The Boys: P.S. I Still Love You,one ofFisher’s first credits ever was on an episode ofiCarlycalled “iSpeed Date.”
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Jordan Fisher
Before starring in films likeTeen Beach MovieandToAll The Boys: P.S. I Still Love You,one ofFisher’s first credits ever was on an episode ofiCarlycalled “iSpeed Date.”
16of 19Chord OverstreetNickelodeonAlso appearing in “iSpeed Date” was soon-to-beGleestar Overstreet.
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Chord Overstreet
Also appearing in “iSpeed Date” was soon-to-beGleestar Overstreet.
17of 19Jane LynchNickelodeonSpeaking ofGlee, Sue Sylvester herself appeared on an episode of iCarly as Pam Puckett, Sam’s mom.
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Jane Lynch
Speaking ofGlee, Sue Sylvester herself appeared on an episode of iCarly as Pam Puckett, Sam’s mom.
18of 19Plain White T’sNickelodeonBack in season 1, the “Hey There Delilah” singers appeared on the show to perform on the webcast as a favor to Carly’s brother, Spencer, after he saved frontmanTom Higgenson’s life.
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Plain White T’s
Back in season 1, the “Hey There Delilah” singers appeared on the show to perform on the webcast as a favor to Carly’s brother, Spencer, after he saved frontmanTom Higgenson’s life.
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Good Charlotte
source: people.com
