Olivia Newton John visits "The Talk" Wednesday and shares an encouraging new health update. "I'm feeling fantastic. I went to the oncologist yesterday and things are shrinking and going away," says Newton-John. "That's what you want to hear," responds Sharon Osbourne. Newton-John adds, "It's like the perfect week, right?" She also discusses her 500 items going on sale at an auction house, including her iconic black leather jacket and skin-tight pants she wore in the film "Grease." "I'm simplifying, I am moving things on to people who can enjoy them because you can't take things with you, right?" She adds about her Grease outfit, "Gigi Hadid is dressed up as me for Halloween... Tell her, get the real thing! Just come to the auction."