Australia's Olivia Newton-John looks up after performing at the Australian Open tennis championship in Melbourne, January 30, 2005.
Grammy-winning singer and actress Olivia Newton-John has been intrigued by the paranormal ever since she spotted an unidentified flying object when she was 15, she told the Sun in 2009. The bright silver object she saw flying across the sky sparked a lifelong interest in extra-terrestrials — and now, she doesn’t think she’s alone in her belief of alien visitors. “In England most people now think UFOs are possible,” she said in the interview. “Twenty years ago, how many people would have thought that?”