Teen Ari rose to fame in 2010 thanks to the Nickelodeon show "Victorious," in which she portrayed Cat Valentine ... Ariana Grande decided to go with a monochromatic muted-pink outfit that ...

Ariana Grande wrote ... #grateful.” Grande — who played Cat Valentine on the show until it ended in 2013, at which time she pivoted to the spin-off series Sam & Cat — also commented on ...