A bunch of your favorite stars got their start on Nickelodeon. We're talking about your favorites like Ariana Grande and Miranda Cosgrove, who started out on Victorious and Drake & Josh and are now bonafide celebs.

It's not just their careers that have evolved — a bunch of the Nickelodeon girls on the show look completely different than they used to. Ari dyed her hair cherry red for her turn as Cat Valentine. Since the show went off the air, she's mostly kept her tresses her natural color with the occasional blonde.

MORE: 10 Then-and-Now Photos of Your Favorite Nickelodeon Guys

Miranda may look similar to the way she was on iCarly, but her transformation from her Drake & Josh days? It's seriously dramatic. (This isn't totally wild, especially considering she was a child on her first Nick show, but it's still mind-blowing to see the pics.)

A few of these ladies have completely dropped out of the spotlight, and live relatively normal lives. The Naked Brothers Band star Allie Dimeco, who played Nat Wolff's love interest in the series, is living the life in Florida. She's grown up a lot!

MORE: 15 Disney Channel Girls Who Look Totally Different Now

Click through the gallery to see Nick girls who do not look like this now.