MailOnline exclusively revealed the heiress, 32, arrived in London with Sam, 38 and her four children from their home in California for the ceremony which will take place at a secret location.
EXCLUSIVE: Former F1 boss Bernie Ecclestone told FEMAIL Petra, 32, who is worth an estimated £350 million, and Sam Palmer, 38, are tying the knot in London.
What is Bernie Ecclestone s net worth as former F1 boss charged with tax fraud? hitc.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hitc.com Daily Mail and Mail on Sunday newspapers.