The Sultan of Brunei was once the world’s richest person and currently has a net worth estimated at around US$28 billion.

The sultan has a degree from the Royal Military Academy, same one Prince William and Prince Harry attended

The sultan has a degree from the Royal Military Academy in Sandhurst (the same one Princes William and Harry attended)

Here are some of the sultan’s past splurges that will blow your mind.

The sultan has a degree from the Royal Military Academy in Sandhurst (the same one Princes William and Harry attended)

The Gold Rolls-Royce

The custom-made luxury car has an open top and a platform for an umbrella. According to GQ India, the car is coated in gold from the grills to its tyres.

Why have one Ferrari when you can have 450?

Hotcars reported that the sultan owns 600 Rolls-Royces, 450 Ferraris and 380 Bentleys. His collection is worth over US$5 billion.

That private jet life

A Born Rich report claimed the sultan has his own Boeing 747-400, Boeing 767-200 and Airbus A340-200 jets.

Sultan sure does love gold

The Boeing 747-400 is gold-plated and so luxurious that it has been nicknamed the “flying palace”.

The palace with 1,700 rooms

The Istana Nurul Iman Palace currently holds the title of world’s largest residential palace in the Guinness Book of World Records

The expensive haircut

He regularly flies his favourite barber, from London, to give him a $20,000 haircut

A love of art

The sultan according to Insider, paid US$70 million for a single oil painting by French Impressionist Pierre-Auguste Renoir, Two Young Girls at the Piano.