Stars' Shocking Breakups

Ariana Grande is single, plus Emma Stone and Andrew Garfield, Gwyneth Paltrow and Chris Martin and more celebs who called it quits


They went from dating to dunzo in less than a year. Citing "irreconcilable differences," Kim Kardashian filed for divorce from her NBA hubby Kris Humphries on Oct. 31, 2011, but it was no Halloween prank: Earlier in the month, the reality star had hinted at trouble in paradise, calling her living situation (with sister Kourtney, her boyfriend Scott Disick and their baby Mason) "not ideal."