Celeb alien encounters Celeb alien encounters Rocker Sammy Hagar airs all his dirty laundry in his new book including his shocking encounters with out-of-this-world creatures. And he's not the only one. Flying saucers, dancing lights, even brain downloads are not too out there for these celebrities, who all say they've had alien encounters. Olivia Newton-John In England most people now think UFOs are possible. Twenty years ago, how many people would have thought that? – Olivia Newton-John The English 62-year-old former pop star says she saw a silver object flying at "amazing speeds" as a teen and has been an extraterrestrial believer ever since. Sammy Hagar They were plugged into me. It was a download situation ... Or, they uploaded something from my brain, like an experiment. – Sammy Hagar He "can't drive 55," and it's no wonder. Fast, shiny UFOs have hovered over rocker Sammy Hagar several times since the first encounter at age 4, he has said. Hi...