11 TV co-stars who hated each other in real life (With Pictures)

6. Jennette McCurdy and Ariana Grande

Jennette McCurdy and Ariana Grande starred on the Nickelodeon hit Sam & Cat, which was abruptly canceled after its first (and only) successful season amid rumors of tension, back-stabbing and cat-fighting between the young stars. SEE ALSO: Kim Karadshian’s worst photoshoot ever – Why will she expose her stuffs like this?? (See Photos)