Delta Goodrem performs a medley of Olivia Newton-Johns songs at her state memorial in Melbourne

In a special performance, Australian singer Delta Goodrem today sang a medley of Olivia Newton-John’s songs at her state memorial in Melbourne. “I’m so happy to see everybody coming together on a day to celebrate someone who touched all of our lives,” she said when asked why she was so emotional. “I think that’s really what it is…being able to honour and celebrate Olivia is incredibly special”, said Delta Goodrem when interviewed by 7NEWS reporter Teegan Dolling. More: Subscribe to 7NEWS Australia for the latest breaking news video » Connect with 7NEWS online: Visit » 7NEWS Podcast » Facebook » Twitter » Instagram » 7NEWS combines the trusted and powerful news brands including Sunrise, The Morning Show, The Latest, and , d