Love Island : All Stars fans think they’ve caught Luca Bish and Harriett Blackmore hiding a major secret about their past. Of all the cast on the ITV show, Luca, 25, and bombshell Harriett, 25, don’t seem to have a particularly special connection. Super fans, however, have gone sleuthing, and discovered that the two share plenty of history that they seem to be hiding. Luca once dated Strictly Come Dancing star Saffron Barker , 24, just before he entered the Love Island villa for the first time