1. Keke Palmer played True Jackson on True Jackson, VP from 2008–2011: Nickelodeon
And here's Keke Palmer now: 2. Josh Peck played Josh Nichols on Drake and Josh from 2004–2007: He also played multiple characters on The Amanda Show from 1999–2002.
Nickelodeon And here's Josh Peck now: 3. Victoria Justice played Tori Vega on Victorious from 2010–2013: She also played Lola Martinez on Zoey 101 from 2006–2008.
Nickelodeon And here's Victoria Justice now: 4. Ariana Grande played Cat Valentine on Victorious and Sam & Cat from 2010–2014: Nickelodeon
And here's Ariana Grande now: 5. Miranda Cosgrove played Carly Shay on iCarly from 2007–2012: She also played Megan Parker on Drake and Josh from 2004–2007.
Nickelodeon And here's Miranda Cosgrove now: 6. Nat Wolff played himself on The Naked Brothers Band from 2007–2009: Nickeldeon
And here's Nat Wolff now: Amy Graves / Getty Images for LOVE IS LOVE IS LOVE Premiere Screening, Q&A and Reception
7. Devon Werkheiser played Ned Bigby on Ned's Declassified School Survival Guide from 2004–2007: Nickeldeon
And here's Devon Werkheiser now: 8. Elizabeth Gillies played Jade West on Victorious from 2010–2013: Nickelodeon
And here's Elizabeth Gillies now: 9. Avan Jogia played Beck Oliver on Victorious from 2010–2013: Nickelodeon
And here's Avan Jogia now: Daniele Venturelli / WireImage
10. Jennette McCurdy played Sam Puckett on iCarly from 2007–2012: Nickelodeon
And here's Jennette McCurdy now: 11. Alex Wolff played himself on The Naked Brothers Band from 2007–2009: Nickelodeon
And here's Alex Wolff now: Michael Kovac / Getty Images for NEON
12. Kendall Schmidt played Kendall Knight on Big Time Rush from 2009–2013: Nickelodeon
And here's Kendall Schmidt now: 13. Leon Thomas III played Andre Harris on Victorious from 2010–2013: Nickelodeon
And here's Leon Thomas III now: 14. Daniel Curtis Lee played Simon "Cookie" Nelson-Cook on Ned's Declassified School Survival Guide from 2004–2007: Nickelodeon
And here's Daniel Curtis Lee now: 15. Matt Bennett played Robbie Shapiro on Victorious from 2010–2013: Nickelodeon
Here's Matt Bennett now: 16. Nathan Kress played Freddie Benson on iCarly from 2007–2012: Nickelodeon
And here's Nathan Kress now: 17. Lindsey Shaw played Jennifer "Moze" Mosely on Ned's Declassified School Survival Guide from 2004–2007: Nickelodeon
And here's Lindsey Shaw now: 18. Jamie Lynn Spears played Zoey Brooks on Zoey 101 from 2005–2008: She also played several characters on All That from 2002–2004.
Nickelodeon And here's Jamie Lynn Spears now: 19. Jerry Trainor played Spencer Shay iCarly from 2007–2012: He also played Crazy Steve on Drake and Josh from 2004–2008.
Nickelodeon And here's Jerry Trainor now: 20. Carlos PenaVega played Carlos Garcia on Big Time Rush from 2009–2013: Nickelodeon
And here's Carlos PenaVega now: 21. Daniella Monet played Trina Vega on Victorious from 2010–2013: Nickelodeon
And here's Daniella Monet now: 22. Christian Serratos played Suzie Crabgrass on Ned's Declassified School Survival Guide from 2004–2007: Nickelodeon
And here's Christian Serratos now: 23. Paul Butcher played Dustin Brooks on Zoey 101 from 2005–2008: Nickelodeon
And here's Paul Butcher now: 24. James Maslow played James Diamond on Big Time Rush from 2009–2013: Nickelodeon
And here's James Maslow now: 25. Erin Sanders played Quinn Pensky on Zoey 101 from 2005–2008: She also played Camille Roberts on Big Time Rush from 2009–2013.
Nickelodeon And here's Erin Sanders now: 26. Sean Flynn played Chase Matthews on Zoey 101 from 2005–2008: Nickelodeon
Here's Sean Flynn now: 27. Nick Cannon played several characters on All That from 1998–2000: He then went on to host The Nick Cannon Show from 2002–2003.
Nickelodeon And here's Nick Cannon now: John Lamparski / Getty Images
28. Christopher Massey played Michael Barret on Zoey 101 from 2005–2008: Nickelodeon
Here's Christopher Massey now: 29. Matthew Underwood played Logan Reese on Zoey 101 from 2005–2008: Nickelodeon
Here's Matthew Underwood now: 30. Logan Henderson played Logan Mitchell on Big Time Rush from 2009–2013: Nickelodeon
And here's Logan Henderson now: 31. Kel Mitchell played Kel Kimble on Kenan & Kel from 1996–2000: He also played a bunch of characters on All That from 1994–1999.
Nickelodeon Here's Kel Mitchell now: Arnold Turner / Getty Images for Netflix
32. Kenan Thompson played Kenan Rockmore on Kenan & Kel from 1996–2000: He also played a bunch of characters on All That from 1994–1999.
Nickelodeon Here's Kenan Thompson now: 33. Finally, Amanda Bynes played herself on The Amanda Show from 1999–2002: She also played multiple characters on All That from 1996–2000.
Nickelodeon And here's Amanda Bynes now: View comments