East west dating
Ong is a big investor in the project, which will have a swimming pool running down to the river Thames, along with Canary Wharf Ltd and another state-run Singapore company.
But of the two Christina is really the glamorous one.
Suspicions of problems were compounded when the tycoon sold his private jet.
It is perhaps no coincidence that Four Seasons is one of the companies that property developers Canary Riverside Developments is talking to operate a new luxury hotel and apartment development in London's Docklands.
And finally, like most companies in Asia, HPL's share price has taken a bashing.
The rumours of impending financial disaster at the Ong empire have begun to seep along Bond Street and beyond.
"He is a trader and always has been," said Robert Earl, chief executive of the star-studded burger chain Planet Hollywood, in which Ong holds stock worth around 0m and is also a director.
"He franchises other people's brands and buys and sells them when the time is right.In February, Ong sold his 50 per cent stake in the Four Seasons Hotel in London to long-standing business partner Prince Alwaleed Bin Talal Abdulaziz Al Saud for an undisclosed sum, believed to be around pounds 45m.