Nick Jonas and Delta Goodrem End Long time no news, the couple musician Nick Jonas and Delta Goodrem suddenly shocking the public with news of their separation. As reported by Digital Spy, the couple announced that their relationship has ended. Through a statement released through the manager of both, they reveal that busy career is a major cause of their separation. Want to focus on their careers, Nick and Delta decided to end their relationship amicably. “Nick and Delta has decided to end their relationship amicably. Today, they want to focus on their careers because they are way different.