Marks & Spencer is one of the first to role out their Christmas advertising. The UK advert for M&S entitled A Christmas Musical features celebrities: Twiggy, Dannii Minogue, Lisa Snowdon, VV Brown, Ana Beatriz Barros and Jamie Redknapp with a cameo appearance by comedian Peter Kay. The ad is also features a naughty side of Marks & Spencers lingerie line too, get the hint gentlemen, and all set to the music of the Bee Gee's hit song from way back "You Should Be Dancing". Credits: Advertising Agency: RKCR/Y&R, UK