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    19 Famous People You Forgot Appeared On "iCarly"

    From Michelle Obama to One Direction.

    1. Michelle Obama in "iMeet the First Lady"

    Michelle Obama in an "iCarly" scene with Spencer
    Nickelodeon

    The former first lady starred as herself and made a special appearance in an iCarly webcast after being invited by Carly, Sam, and Freddie.

    2. Emma Stone in "iFind Spencer Friends"

    Emma Stone freaks out as an "iCarly" fan when spotting them
    Nickelodeon

    Emma, who stars as Cruella de Vil in the upcoming Cruella film, played mega fan Heather, who was ~just a tad~ too excited about running into the iCarly crew at a restaurant.

    3. Jimmy Fallon in "iShock America"

    Nickelodeon

    During this episode, the late-night host starred as himself and invited the iCarly team to appear on The Tonight Show.

    4. Tina Fey in "iShock America"

    Jimmy Fallon and Tina Fey on Carly's computer screen during a video call
    Nickelodeon

    Tina had a brief cameo in the same episode as Jimmy, helping him turn off his camera after his video call with Carly, Sam, Freddie, and Gibby.

    5. Jordan Fisher in "iSpeed Date"

    Nickelodeon

    Jordan (yes, John Ambrose himself!!!) played Clark, one of the boys Carly met during her speed-dating contest to find a date for the dance.

    6. Jane Lynch in "iSam’s Mom"

    Jane Lynch, next to Sam Puckett, playing her mom, Pam Puckett
    Nickelodeon

    Jane played Pam Puckett — aka Sam's mom — and of course, the mother-daughter duo had a ton of drama the entire episode.

    7. Austin Butler in "iLike Jake"

    Austin Butler plays guitar and sings during an iCarly web show
    Nickelodeon

    Austin played Carly's crush Jake, who was invited to sing on iCarly — but turned out to be, well, ~not~ the greatest singer.

    8. Emily Ratajkowski in "iSpeed Date" and "iEnrage Gibby"

    Gibby stands next to his girlfriend, Tasha, at school
    Nickelodeon

    Yup! The supermodel herself played Gibby's girlfriend, Tasha.

    9. Jim Parsons in "iLost My Mind"

    Freddie and Carly stand next to Jim Parson, who plays Caleb in an episode
    Nickelodeon

    Jim, aka Sheldon from The Big Bang Theory, made an appearance as a man named Caleb, who believed he was from the future.

    10. Chord Overstreet in "iSpeed Date"

    Chord Overstreet being interviewed as a contestant during Carly's speed-dating session
    Nickelodeon

    The Glee star appeared in the same episode as Jordan Fisher, playing a speed-date contestant named Eric, a model turned lead singer in a boy band — whom Freddie was instantly jealous of.

    11. Jack Black in "iStart a Fan War"

    Carly poses for a photo with Jack Black, who is dressed in medieval attire for his character
    Lisa Rose / Nickelodeon / Courtesy Everett Collection

    In this episode, the iCarly crew attended Webicon, and Jack Black guest-starred as Aspartamay, Spencer's rival in World of Warlords (a parody of World of Warcraft).

    12. Victoria Justice in "iFight Shelby Marx"

    Victoria Justice looks serious while standing in the doorway, ready to talk
    Nickelodeon

    Victoria played MMA fighter Shelby Marx, whom Carly infamously invited to fight during a web show — and then Shelby actually agreed to it.

    13. Randall Park in "iGot Detention"

    Randall Park plays a teacher while talking to Freddie, with Sam looking on in the background in dentention
    Nickelodeon

    Randall — aka FBI Agent Jimmy Woo on WandaVision — played a teacher named Mr. Palladino as the iCarly trio attempted to film their 50th web show with Sam in detention.

    14. David Archuleta in "iRocked the Vote"

    David Archuleta stands next to Carly during an "iCarly" web show
    Nickelodeon

    The former American Idol contestant played a contestant on America Sings, Nickelodeon's version of the popular singing competition.

    15. Taran Killam in "iMeet the First Lady"

    Next to Carly, Taram Killam looks serious next as one of Michelle Obama's Secret Service agents
    Handout / Getty Images

    The Saturday Night Live comedian starred in the same episode as Michelle Obama, playing one of her Secret Service agents.

    16. Harry Shum Jr. in "iGo to Japan"

    Harry Shum Jr as Yuki, next to his fellow internet co-star, Kyoko, in "iGo to Japan"
    Nickelodeon

    Harry — Mike Chang on Glee — played Yuki, an internet star who tried to stop Carly, Sam, and Freddie from winning the iWeb Awards.

    17. Kenan Thompson in "iParty With Victorious"

    Kenan Thompson makes funny faces at the camera next to Carly and Tori during an "iCarly" web show
    Nickelodeon

    The SNL comedian and Kenan & Kel star played himself in this crossover episode that also starred Victoria Justice from Victorious.

    18. Lucas Cruikshank in "iMeet Fred"

    Lucas plays Fred, who screams, during an "iCarly" web show
    Nickelodeon

    Lucas — known for his viral internet personality, Fred Figglehorn — guest-starred as himself and Fred, who made a special appearance in an iCarly webcast.

    19. Last: One Direction in "iGo One Direction"

    The five boys of One Direction perform live during an "iCarly" web show
    Nickelodeon

    The original 1D band (Zayn Malik, Harry Styles, Liam Payne, Niall Horan, and Louis Tomlinson) made an appearance in this iconic episode and even performed "What Makes You Beautiful" on the iCarly stage.

    What other celebrity guest stars do you remember on iCarly? Let us know in the comments below!

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