From Kenan Thompson to Melissa Joan Hart, many of Nickelodeon's most successful actors went on to have remarkable careers.

Creepy executive producers, debilitating eating disorders, and a father she never knew. Jennette McCurdy entertained millions ...

But McCurdy, a former child actor who played Sam Puckett on the hit Nickelodeon sitcom, “iCarly,” stuck with it. The book has been on the best-seller list over 50 times since its release in 2022.

As ‘iCarly’ celebrates its 15-year anniversary, ET takes a look back at Miranda Cosgrove and Jennette McCurdy's friendship evolution. Jennette McCurdy opens up on 'Red Table Talk' about her ...