When we say bipolar disorder, we are referring to the mental disorder that involves the cycling of extremely low and high moods. These periods involve mania or elevated temper which alternates with instances of depression. Since this disorder is quite difficult to diagnose, the media often mentions it as a cause of erratic behavior of different celebs.
1. Russell Brand
Russell Brand is one of the few people who is able to turn lemons into lemonades because he was able to make a fortune out of his disorder. Thanks for his instability, he became famous. In fact, his unpredictability has greatly shaped his career.