Stars' Shocking Breakups

Kate Hudson and Matthew Bellamy split up following a very long engagement, plus Gwyneth Paltrow and Chris Martin, Jewel and Ty Murray and more celebs who called it quits

MEL & OKSANA

Mel Gibson and his split from girlfriend, Russian musician Oksana Grigorieva, arguably devolved into the ugliest split of 2010. As Gibson and Grigorieva battled over custody of their infant daughter Lucia, a series of profanity-laced recordings from Gibson to his ex hit the Internet – and along with them, allegations of physical abuse – including one charge that Gibson brandished a gun on his ex.