Stella McCartney hostessed a very rowdy Christmas party on the other side of the pond with guests including her sister Mary and famous fashion waif, Twiggy, filling the designer's Mayfair store. The soiree was lit by the sparkling holiday lights filling the windows and shop exterior, and featured a performance by Brit artist, comedian and actor Noel Fielding.

Mary McCartney, Twiggy

Noel Fielding

Stella McCartney Mayfair store, Noel Fielding

Stella McCartney

Jools Holland, Kelly Hoppen

Paul Whitehouse, Jamie Redknapp, Louise Redknapp

Sir Peter Blake

[Photos via Getty and The Evening Standard].