Prince William and Zara Phillips (top) along with Prince Harry and Princess Eugenie (bottom) went to Papworth Hospital yesterday to visit Prince Philip, the Duke of Edinburgh, who is recovering at the hospital after heart surgery.
Buckingham Palace said it does not know when Philip will be released.
Prince William & Prince Harry
Visit Prince Phillip in the Hospital
12/26/2011 5:15 AM PST BY TMZ STAFF
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