Posted on Wed Dec 5, 2012 12:10 PM PDT
Prince William left the King Edward VII hospital in London looking concerned after visiting his pregnant wife Kate Middleton.
Aside from worrying about his wife, The Duke of Cambridge may have to return to Royal Air Force duty which could take him away for months.
The Duchess of Cambridge was admitted to the hospital on Monday with an extreme case of morning sickness. WIlliam has been at Kate's bedside every day this week.
Pippa Middleton and brother James also payed a visit to their sister's hospital room. Kate is reportedly between 7 to 8 weeks along in her pregnancy.
SEE THE GALLERY Prince William Leaves A London Hospital
William And Kate Put On A Brave Face While Hitting The London Soccer Field - Oct 09, 2012
Prince William And Kate Middleton Are Truly Red Carpet Royalty - Jan 09, 2012
Will And Kate's California Itinerary Revealed - Jun 15, 2011
Prince William And Kate Honeymoon In Seychelles - May 10, 2011
FIRST LOOK - William & Kate's Official Wedding Photos - Apr 30, 2011