Prince William and Pippa appear relaxed as they leave hospital

Both Prince William and Pippa Middleton smiled and appeared relaxed as they left the hospital where the Duchess of Cambridge is being treated this evening.

It is the third day she has spent in hospital after being admitted for a severe form of morning sickness.

Pippa Middleton leaves the King Edward VII hospital in London Credit: Gareth Fuller/PA Wire
Pippa Middleton climbs into a taxi Credit: Gareth Fuller/PA Wire
The Duke of Cambridge leaves the King Edward VII hospital Credit: Gareth Fuller/PA Wire