With just 'D5' on the plate, the new plate is the second plate he has to his name that cost him a bomb. His other license plate, 'o9' cost him $9.42 million when he bidded for it last year.
His new number plate is slated to appear on his Rolls-Royce Phantom.
Short unique number plates are worth a lot in Dubai as with other countries around the world. The country's most expensive number plate sold was just '1' and switched owners for nearly $20 million.