Posted in NY Post What Olivia Newton-John really thought happened to partner after his mysterious disappearance: book May 13, 2026 The “Grease” star’s on-again, off-again boyfriend, Patrick McDermott, went missing off the coast of Los Angeles in 2005. https://pagesix.com/2026/05/13/celebrity-news/what-olivia-newton-john-really-thought-happened-to-partner-after-his-mysterious-disappearance-book/