Kirsten Dunst first met Garrett Hedlund while filming “On the Road” four years ago and has been dating him ever since. Well, she had been dating him, rather — but I’m getting ahead of myself. Dunst and Hedlund were living together in L.A. and even, if anonymous sources are to be believed, moving toward an engagement announcement. RELATED: Stop telling Ruby Rose she made you gay But today, not so much, according to Us Weekly, as the tabloid reports that the pair are done, having gone and broken up. Which is kind of a bummer, honestly. These are, after all, two of the nicer denizens of Hollywood, genuinely pleasant people who seemed really happy together. Oh well. Follow Ned Ehrbar on Twitter @nedrick