Fabled jewellery brand Tiffany & Co. is about to celebrate its 185th birthday. The brand – which was recently bought by French luxury fashion house LVMH – has just unveiled a new campaign featuring edgy models and the tagline “Not Your Mother’s Tiffany”. The campaign runs across Twitter and Instagram and via a street poster campaign (odd choice for such a high-end, luxury brand) around New York and Los Angeles. However, the campaign’s gone down about as well as a failed engagement proposal using a Tiffany diamond ring! Or whatever kind you prefer.”Writing for industry media site Campaign, Hoffman railed: “If you’d asked a high school advertising class to come up with a campaign to ‘youthify’ the Tiffany brand, this is exactly the shit they’d come up with.