She’s got a killer music career and Rihanna is making sure to keep on top of all of her business affairs. The “Take A Bow” singer is looking forward to her new release Loud, and says she’s transitioned a bit since her last album. "A lot has — I won't say changed, but a lot has evolved since then. A lot of growing up, a lot of responsibility in terms of taking control of my business and stuff like that." "It feels so good, because the closer you are to your business, the clearer you are about a lot of things," she explained. "And that responsibility doesn't feel like a burden. It fee...