The Prince of Wales and a number of celebrities, including actors Richard E. Grant and Michelle Dockery from Downton Abbey, gave readings related to the themes of love and empathy.
Among the artists was singer Paloma Faith. The purpose of the service was to get people to think about how important it is to be with those you love when things become tough.
Princess Charlotte was calm in a burgundy coat, Kate looked stunning in a plaid skirt and festive red coat, and the boys wore bright red ties to match.
