The Tesla CEO and actress join a list of other celebs who've called it quits in 2017. Musk and Heard have been dating for a year before deciding their career pursuits wouldn't keep the love alive. A source told Page Six: “He’s super busy and works all the time. Amber is filming [‘Aquaman’] in Australia until October. She’s in no position to settle with him. She feels her career is just starting.” Back in 2013, the duo decided to link up after Heard ended her 15-month marriage to Johnny Depp.