JANE BARLOW/POOL/AFP via Getty Rod Stewart and King Charles had a memorable interaction ... and marmalade in the capsule, per the U.K.’s PA Media. According to the royal family's website ...

King Charles III and Rod Stewart shared a playful moment involving a pair of pruning shears. The king, 76, and the rocker, 80, appeared together at an event for the 35th anniversary of Charles ...

The King was joined by Sir Rod Stewart and his wife Penny Lancaster ... as the Prince of Wales’s Institute of Architecture by Charles in 1990 when he was Prince of Wales, and works to build ...