According to Us Weekly, Sean Penn and Charlize Theron have called off their engagement [1]. The couple, who got engaged in November, started dating in December 2013 and most recently walked the red carpet together at the Cannes Film Festival [2] in May. During their nearly two-year relationship, Sean and Charlize had nothing but praise for one another, with Charlize even saying that their relationship was "effortless." [3]