Ever since they met in Australia in 2010, Joe Swash and Stacey Solomon have become one of the nation's most-loved couples. We've followed their journey from falling in love after Stacey won I'm A Celebrity!, through to the birth of their children – Rex, now five, Rose, three, and Belle, two – who joined their blended family including Zachary, 16, Leighton, 12, and Harry, 17, from previous relationships. Most recently, Stacey's social media following has soared, with fans following her tidying tips (that won her an NTA for Sort Your Life Out), along with her wedding to Joe and their renovation of Pickle Cottage, in Essex. We might think we know everything about Joe and Stace, but we're about to find out a whole lot more, as they let the…