iCarly Miranda with One DirectionOne Direction (Niall Horan, Louis Tomlinson, Zayn Malik, Harry Styles, and Liam Payne) starred as themselves in the iCarly episode iGo One Direction.
Mothers Day Robbie MamawRenée Taylor guest-starred as Robbie's grandmother ("Mamaw") in the Victorious episode The Birthweek Song. Mamaw is loud, doesn't understand anything about computers, and is confused by Cat's red hair.
iCarly Michelle ObamaMichelle Obama appeared as herself in the episode iMeet The First Lady. SNL's Taran Killam also appeared as one of her Secret Service agents!
iCarly Carly and Sam with James MaslowBefore James Maslow starred in Big Time Rush, he had both Carly and Sam fighting for his attention in the episode iSaw Him First.