Prince William leaving hospital
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Royal pregnancy: Smiling Prince William leaves hospital

5 December 2012 Last updated at 10:29 GMT

A smiling Prince William has been pictured leaving the hospital where the Duchess of Cambridge is being treated for an acute form of morning sickness.

The Duchess spent a second night under the care of doctors at the King Edward VII Hospital on Tuesday.

St James Palace released a statement saying she was continuing to feel better, as Luisa Baldini reports.