Oprah Winfrey is a global icon and the world's wealthiest woman. It's been 15 years since she surprised her studio audience with an Aussie trip and a decade since her last solo tour, and now she is coming back down under.
For more, Melissa Doyle joins.

The hidden cost of classroom technology
05:12

Inside the $65,000 Oscars gift bags
05:29

Australian travels the world reviewing roller coasters
05:07