Miranda Cosgrove and her iCarly costars had a very special guest star join them -- Glee's Jane Lynch, a.k.a. cheerleading coach Sue Sylvester! iCarly creator Dan Schneider posted this sneak preview pic on his Twitter page:
"Here's a secret pic from the set of iCarly. It shows Miranda Cosgrove and Jennette McCurdy with special guest star... JANE LYNCH!!!" Dan wrote.
Miranda loved working with the Glee star so much that she tweeted about the special episode too. "Jane Lynch is hysterical :D," Miranda said. "I played Rockband with her daughter and her friend on set. :D 'Eye of the Tiger' is a killer song to play on drums."
The episode will air during iCarly's third season, and Jane will be playing the never-before-seen mom to Jennette's character Sam.