Tamara Ecclestone is all set to marry her former city trader fiance, Jay Rutland, in a lavish ceremony which could cost her father, Bernie over 12 million dollars.
The 28-year-old's four-day nuptials will start off in the south of France with engagement ceremony on Sunday and it will cost up to 3.5million dollars for the entertainment alone, the Mirror reported.
The future billionaires, who has booked world's most expensive hotels, will be joined by royals and celebrities, singers and DJs, with many being flown out by private jet.
Tamara's big day is reportedly set to be bigger than her 24-year-old younger sister Petra's, who got a heavy chunk of dad F1 mogul's 2.5billion pound-fortune on entertainers, top chefs, DJs and orchestras for her wedding in a castle near Rome in August 2011.
Tamara has booked out all 73 rooms of the five-star Grand Hotel du Cap Ferrat near Antibes on the Cote D'Azur, one of the most luxurious in the French Riviera, at a cost of 600,000 pounds.
More than 150 guests will be strictly A-list and special security measures will be taken for the arrival of the Duchess of York and Princesses Beatrice and Eugenie as well as American socialite Paris Hilton.
Tamara has opted for local boy Sir Elton John, whom she has offered 1million pounds plus expenses to perform, with Lionel Richie, and DJ Calvin Harris also expected to provide entertainment.