Previously they holidayed on neighbouring Barbados ??? albeit at the upmarket Coral Reef Club resort ??? but as their fortune grew, they moved over to Mustique, favoured by both royalty and celebrities such as Mick Jagger and Elton John.The island boasts just 74 villas, two small hotels and is patrolled by eagle-eyed security guards both on and off shore.This year the Middletons again hired Rocina