I talk to Darci through a medium, says Holly Hagan as she reveals she’ll tell son about her sister’s tragic drug death

I WAS 13 when my sister Darci was born, and I fell in love with her immediately. I’d take her to soft play and push her in her buggy, pretending she was mine. Then, when she entered her teens, I became like a second mum to her – we’d talk about boys and break-ups. As...