We've all found it hard to keep our hands off an ex soon after a split, so it's good to know that the weakness extends to young royals too.
Although Prince William split from girlfriend Kate Middleton in April, rumour has it that they may have rekindled their passion.
Sources say that Kate arrived at William's recent army party looking "gorgeous" and that the prince followed her around all night "like a lost puppy" before leading her onto the dance floor.
One partygoer told the Daily Mail: "They couldn't keep their hands off each other but William didn't care that people were looking.
"At about midnight, he started kissing and smooching her. His friends were joking they should get a room and it wasn't long before William took Kate back to his quarters."
The question is, was it just a case of 'ex sex' or something more?
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