Princes William and Harry have helped to shift sandbags in a flood-hit town - and challenged a watching journalist to join in.
And the Queen has provided "feed and bedding" to farmers.
William reportedly told Guardian hack Robert Booth: "Why don't you put your notebook down and give us a hand with the sandbags?"
But when the journalist agreed to help, aides said he was not wearing the appropriate clothing to carry out the role.
William and Harry worked from 6am in Datchet, Berkshire, helping with the supply of sandbags.
Video footage obtained by The Guardian showed the pair forming part of a human chain unloading sandbags from an Army vehicle and putting them on to the back of a train wagon.
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Homeowners have been desperate to get the flood defences as they struggle to protect their properties.
The royal brothers, who were dressed in waterproofs and wellington boots, have served in the military and Harry is still an officer with the Household Cavalry, who have been tasked to help out with flood relief.
A spokesman from Kensington Palace said: "They wanted to show their support for the flood victims and have joined the armed forces relief effort."
Not only have William and Harry been providing practical help to flood victims but so has the Queen.
A Buckingham Palace spokesman said: "The Queen is supporting Somerset farmers affected by the flooding on the Somerset Levels by contributing feed and bedding from the royal farms at Windsor."