Welt Online: Sienna Miller has confirmed her relationship with Balthazar Getty is over. The actress -- who was first linked to the married 'Brothers and Sisters' star in July -- claims she is content being single and has no plans to jump into another relationship in the near future. She said: "I'm single at the moment, and I'm completely happy with that. It's nice not to have a relationship that people constantly want to scrutinize and discuss. I'm cool with being on my own."