Is Williams Robin' the Cradle?

Wondering what exactly might have broken up Robin Williams' marriage (other than he can't be easy to live with...all that hair and the herpes)? Could it be a 27 year old Connecticut artist named Charlotte Filbert? That's the rumor spreading around.

But she might not have actually broken up the marriage since Marsha Garces and Williams officially separated on Dec. 31, 2007 and apparently, they've been living apart for close to two years.