Ariana Grande rose to fame with her 'Victorious' role — but fans hated how her beloved character Cat changed.

And it is Cat Valentine that I wish to celebrate on this most special anniversary, for the sheer fact that Cat was the break out star of the show.

The spinoff comedy, which was given a 20-episode order, features Jennette McCurdy (“iCarly’s” Sam Puckett) and Ariana Grande (“Victorious’” Cat Valentine).

Grande had to bleach her dark brown hair and dye it red every other week while playing Cat Valentine. After four years of filming the series, she began to experience serious hair damage.

NICKELODEON sitcom Victorious was one of the most popular shows on the channel throughout the early 2010s. Cat Valentine was one of the show’s funniest and most animated characters, sometimes… ...

Ariana Grande fans are shocked by clips showing the star "sexualized and infantilized" as a teen working on Nickelodeon.

The pop superstar rose to fame on the network playing Cat Valentine in both Victorious and Sam & Cat, created by Dan Schneider, but looking back, fans say that the then-teenager was "sexualized ...

Grande added her own commentary to the clip, addressing TikTok users who have created videos in which they impersonate Cat Valentine, the singer’s character from the Nickelodeon TV show ...

Ariana channeled her old character Cat Valentine, donning a red wig with bangs and captioning the shot “miss valentine,” giving us all of the sweet, wide-eyed Victorious vibes we missed so much.

Ariana Grande is looking back at her time playing Cat Valentine on the hit Nickelodeon show, Victorious. The show -- which premiered on March 27, 2010 -- celebrated its 10-year anniversary on ...