Prince William was seen having what seemed to be a pleasant conversation with his mother-in-law, Carole Middleton, during the Ascot racetrack on Wednesday.
The princess of Wales was represented with Carole after being reported that his wife, Kate Middleton, will not be in Royal Ascot.
The need to balance the princess of Wales when she returns to public commitments after her treatment against cancer of last year was cited as a reason for her absence
Prince William, heir to the throne, became part of the royal procession during the overlapping event in the south of England on Wednesday, alongside his father King Charles and Queen Camilla.
The royal source said Kate was disappointed not to participate.
The princess gradually returned to her royal public role after having completed a preventive chemotherapy lesson last year to approach the presence of a form of unpertified cancer.
Royal Ascot sees the best horses from around the world compete over five days in value races that can go up to a million pounds.
