Delta Goodrem breaks into tears as she recalls her final contact with Olivia Newton-John on Sunrise

Delta Goodrem has teared up on Sunrise as she recalled the emotional impact Olivia Newton-John had on her life and career.Speaking just one day after her friend and mentor's death, Delta couldn't hold back the tears as she recalled her last contact with Olivia.She revealed that she had invited Olivia to watch her perform in the US just one month before her death, but Olivia's health meant she couldn't attend."I invited Olivia to come and be there, as I do with all things," she said, her voice sh