For most of us, a summer holiday is an opportunity to throw caution to the winds, to slurp your way through the cocktail list, say ‘yes’ to the starter and dessert, then to party into the early hours and snooze ’til midday, with every other possible moment spent horizontal on a poolside lounger.
But for celebrities — and an increasing number of mere mortals — healthy holidays that combine a carefully-controlled diet with a barrage of sporting activities are on