With the Christmas season fast approaching, Selfridges has unveiled a decadent bauble that should have left Royal watchers delighted - instead, there have been a few snickers over the trinket, which purports to depict the late Princess Diana . The £40 festive tree decoration, made entirely of glass, features Lady Di clad in her iconic and much imitated 'Black sheep' jumper, with her hair styled in her signature feathered shag layers. Fans of the widely beloved former Princess of Wales , who