Texas billionaire Sid Bass abruptly dumped his longtime partner for another woman after allegedly promising to provide for her for life — the latest in what her lawyers portray as a decades-long ...

A billionaire oil tycoon accused of brutally dumping his girlfriend for a society maven quietly snapped up a $30 million New ...

Fort Worth oil heir Sid Bass and his former partner Oona Sperr on a trip to Venice, Italy in November 2015. Sperr sued Bass for at least $400 million in federal court this week. U.S. District Court ...

An interior designer who says she spent a decade as the de facto wife of Texas oil billionaire Sid Bass is now suing him—and his new spouse—for what she calls a bait-and-switch on her financial future ...

Add Yahoo as a preferred source to see more of our stories on Google. Fort Worth oil heir Sid Bass and his former partner Oona Sperr on a trip to Venice, Italy in November 2015. Sperr sued Bass for at ...

A former girlfriend of billionaire oil heir Sid Bass claims he backed out of financial promises made to her after he married another woman, according to a federal lawsuit filed this week. The 98-page ...