And on the wedding day itself, by which time Camilla had moved to Charles's residence, Clarence House, 'she literally couldn't get out of bed'.
She still wasn't feeling well, but now it was nerves more than sinusitis that kept her under the duvet.
Camilla's sister Annabel and daughter Laura were there with her in her bedroom, along with her dresser, Jacqui Meakin, and a housemaid called Joy.
But not one of them could persuade her to get up. Left, and bottom right, Charles and Camilla on their wedding day. Inset, her Wiltshire retreat, and top right, showing off the £100,000 ring.