Princess Charlotte has recently started gymnastics according to Kate Middleton, who said “it’s so good for their basic skills of balance and coordination”. The Duchess continued: “Charlotte is really into gymnastics, she’s doing cartwheels, handstands, everything.”   Prince William chimed in: “And their flexibility, it’s really good for their long-term health, isn’t it? “We went to watch the Cirque du Soleil recently, it was amazing.” Charlotte is not the only one with a new hobby, as eight-year-old George has also started playing the guitar. Both Charlotte and George reportedly take ballet lessons, with Prince William saying: “Charlotte, particularly, is running around the kitchen in her ...