The 34-year-old singer – who has sons Josh with Fran Cosgrave, Harry with Gavin Hatcher, and Alfie from her marriage to Riad Erraji, as well as daughter Ella with Ritchie Neville – posted a picture of the painful looking inflamed area on her son’s leg, which occurred a week after he had the non-permanent tattoo painted on his body on holiday. Next to the picture, Natasha – who didn’t specify which of her three sons was suffering with the reaction – wrote: “This is a terrible reaction my son has had after getting a henna tatoo on holiday.