The Mighty Boosh's Noel Fielding and Julian Barrett took the opportunity for some comedic dressing, donning granny frocks and curly wigs as they took on their offical roles of entertaing guests with a song and turning on the lights.
Among the other guests were Jamie and Louise Redknapp, Twiggy, Stella's photographer sister Mary McCartney, Jools Holland and celebrity make-up artist Charlotte Tilbury who all got into the festive spirit.
Stella was joined by husband Alasdhair Willis and the pair made a gorgeous couple, with Willis cutting a dash in a navy suit and Stella sporting her lace panel leggings and fitted black peplum jacket.
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By Pat McNulty