If you grew up watching Nickelodeon, you'll most likely remember these stars. Most were children back then, and they're all grown up now, and have moved on to some great, and some not so impressive careers. Check out how they looked like before vs. now.

Amanda Bynes – All That & Amanda Bynes Show

Christine Taylor – Hey Dude (Melody Hanson

Danny Cooksey – Salute Your Shorts (Bobby Budnick)

Danny Tamberelli – Pete and Pete

David Lascher – Hey Dude (Ted McGriff)

Heidi Lucas – Salute Your Shorts (Dina Alexander)

Jason Zimbler – Clarissa Explains it All (Ferguson)

Josh Server – All That

Katrina Johnson – All That

Kenan Thompson & Kel Mitchell – All That & Keenan & Kel

Kirk Baily – Salute Your Shorts (Kevin “Ug” Lee)

Larisa Oleynik – Alex Mack

Lori Beth Denberg – All That

Marc Summers – Double Dare Host

Melissa Joan Hart – Clarissa Explains It All

Michelle Trachtenberg Pete and Pete (Harriet)

Mike Maronna – Pete and Pete

Sean O’Neal – Clarissa Explains It All (Sam Anders)

Summer Sanders – Figure It Out Host

Toby Huss – Pete and Pete (Artie)