Olivia Newton-John: Hopelessly Devoted to You is an Australian miniseries based on the Australian singer/songwriter and actress Olivia Newton-John.The miniseries premiered on 13 May 2018 and concluded on 20 May 2018 on the Seven Network. 　　In November 2016, Delta Goodrem was announced to play the main role of Olivia Newton-John. Even though Goodrem is contracted to Nine, they gav...