Royal fans were thrilled as Kate Middleton made a return to duties at Trooping the Colour last weekend – but her appearance has left people in stitches as they spotted what appeared to be a familiar face in her carriageRoyal fans were thrilled as Kate Middleton made a return to duties at Trooping the Colour last weekend – but her appearance has left people in stitches as they spotted what appeared to be a familiar face in her carriage