The people on the lip shaped sofa are wearing Charlie Le Mindu lip hairpieces from his S/S 2010 Hair collection. Not sure where the outfits are from though. (Charlie Le Mindu is also a famous English designer...)
From :
http://lh4.ggpht.com/_b78eCcIrApg/Sr...lieLeMindu.jpg
Also modeled backwards by Lady GaGa in her Bad Romance video.
From GaGa Daily's Fashion
page.