William, during a break from playing in a charitable match at the Gloucestershire Festival of Polo on Sunday, scooped up his cocker spaniel, Lupo, and walked around the grounds showering the pup with kisses as the Duchess of Cambridge kept a fond eye on her boys.
Prince Harry, Zara Phillips and Mike Tindall were also in attendance, as was young Savannah Phillips – Zara's niece – who got a lesson in walking the dog by an attentive Kate.
Lupo seemed at ease near the polo fields, by now familiar territory, and the pup alternated between sitting obediently on leash and trailing Kate closely off.
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He looked to be thoroughly content with the afternoon until Will and Kate had to divert their attention to some cameras for a photo. Lupo wanted in on the action, and he stood up to paw at his owners' hips.