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.

From 2010 to 2013, Grande played Cat Valentine on Nickelodeon's series "Victorious." The character had red hair, which meant Grande was dyeing her hair frequently.

So settle in and relive the magic that was Victorious, back before we knew Cat Valentine by her stage name Ariana Grande. 1. That Time She Didn't Care What People Thought ...