Prince William's Viral Dance Moves at Taylor Swift's Concert Are Drawing Comparisons to Son Prince Louis Princess Anne Hospitalized with Concussion Following an 'Incident' at Her Country Home Grand Duke Henri of Luxembourg Paves Way for His Abdication with Surprise Announcement The Meaning Behind Kate Middleton's First New Portrait Since Announcing Her Cancer Diagnosis (Exclusive) Here's the Story Behind This 2013 Photo of Taylor Swift, Prince William and Jon Bon Jovi — It Includes 'Livin' on a Prayer'!