Sophie Wessex's sweet gesture to Prince William as he 'misses mum Diana' - expert
![Sophie Wessex's sweet gesture to Prince William as he 'misses mum Diana' - expert](https://i2-prod.mirror.co.uk/incoming/article33062572.ece/ALTERNATES/s615/0_OOG-exc.jpg)
With the Princess of Wales still recovering following her cancer diagnosis, Prince William has had to navigate several high-profile events alone - but according to a body language expert, one of his royal relatives has been providing him with 'support from the sidelines'