The Duchess of Cambridge has spent a third day in hospital joined by her sister Pippa, brother James and husband Prince William.
Kate was visited by her younger siblings Pippa and James Middleton who spent just over an hour with their sister.
It was also reported that the Duchess' parents Carole and Michael Middleton saw their daughter on Tuesday but were unseen as they used a rear entrance.
William, dressed casually in beige cords and a blue sweater, arrived at the private hospital in central London at 12.15pm without acknowledging the world's media camped outside the building.
He left shortly after 5pm tonight having spent five hours at his wife's bedside.
St James's Palace has said there is "no further update" to the statement they released on Tuesday which said the Duchess "is continuing to feel better".
Kate was admitted to hospital after developing severe morning sickness known as hyperemesis gravidarum.
The condition can leave patients feeling tired, dizzy and suffering from headaches - all signs of dehydration.
But it now appears she is responding to treatment and is likely to be having less severe bouts of vomiting.
The Queen's former gynaecologist Marcus Setchell, who delivered the Countess of Wessex's two children, is treating her, according to reports.
The prolonged vomiting could continue for much of her pregnancy - which is still below 12 weeks - and she may need to take anti-sickness medication for months to come.