Billionaire Richard Lugner has died at the age of 91. 

The Austrian construction magnate passed away at his mansion in Vienna, per various reports. 

Just two months ago, Lugner married his sixth wife,  42-year-old actress Simone Reilaender, who is 49 years his junior.

He was notorious for the celebrity friends he was often seen partying with. 

Lugner reportedly paid significant sums to stars like Kim Kardashian and Paris Hilton to be his dates at important events. 

This is a developing story.  

Billionaire Richard Lugner has died at the age of 91

Lugner had married just two months ago to Simone Reilaender, who is 49 years his junior