Billionaire businessman Rupert Murdoch may best be known for his international media empire, but the news tycoon deserves equal recognition for being quite the hopeless romantic. A serial monogamist for the ages, the 91-year-old has barely spent a year as a bachelor since he turned 25, and a handful of divorces has never stopped him from saying "I do" the next time. But, optimistic though he is, Murdoch's latest marriage, to legendary model Jerry Hall, seems to be coming to an end just six years in.

Ahead of his fourth divorce (le sigh!), click through for a look back at this Casanova's headline-making love life.

[Photo via Wikipedia Commons]