If TomKat makes you nauseous and Brangelina feels overexposed, the grittier brand Moherty - launched by Kate Moss and Pete Doherty with a his ‘n’ hers ad campaign - could be just the antidote.

The grubby but glamorous British couple have filmed a commercial for Italian luxury fashion designer Roberto Cavalli on the sunkissed sands of Ibiza. In it, the world’s most beautiful woman is locked in a passionate clinch with rock’n'roll’s most notorious drug addict.

Kate and Pete’s turn for ...