Hotel follows who’s who of Hula-hooping

Popular with actresses and models – including Liv Tyler and Emma Stone (pictured) – calorie-burning hula-hooping arrives in the rooftop spa of the Berkeley Hotel this month. Burning up to 600 calories an hour, the workout is said to help keep silhouettes svelte and shapely. The Berkeley hosts 60-minute masterclasses for up to six hula-hoopers from the middle of this month until October, at an hourly cost of £65, which works out at about 10p a calorie. What a bargain...