This week on the “World Chart Show”: Rihanna finally speaks her mind about folks who discourage her from reuniting with ex-boyfriend Chris Brown. We’ll reveal what Carly Rae Jepsen keeps under her bed...and how money Justin Bieber just laid out for a new California mansion. Plus, we’ll tell you the reason why Emeli Sandé has a particular tattoo…and why this weekend people all over Thailand will be shooting off rockets! We’ll tell you about Chris Brown’s expensive shopping spree that included a brand new Porsche. And in a World Chart Chat, Lana Del Rey reveals when she seriously decided to become a singer. That’s all part of the countdown of the week’s Top 20 songs on International Hit Radio.