Trench twins! For the first time ever, Kate Moss and Cara Delevingne are appearing in the same fashion campaign. Burberry tapped the British beauties to star in a Marino Testino-photographed campaign for their as-yet-unnamed fragrance. Both models have been previously featured in the brand's campaigns -- Moss first appeared in a 1999 ad and Delevingne made her Burberry debut in 2010. Thanks to Cara's Instagram, we got this sneak preview, above. Oh to be a fly on the wall when these two hang out...