Over the past eighteen months, William, Kate and Harry's mental health campaign Heads Together has been the largest initiative the trio have jointly undertaken together. Driven by their desire to de-stigmatise mental health and start conversations all over the worl…

Cast your minds back to 2007, when 25-year-old Kate Middleton was regularly photographed in London's trendiest hotspots. When William and Kate briefly separated that year, Kate hit the social scene in a series of slinky, short party dresses and stylish boots, makin…