"It was the biggest weight lifted off my chest... That was my first real time opening up. I had a lot of tension bottled up. So when I finally spoke about it, it felt really good." Rihanna found it therapeutic to tell all about the night her ex-boyfriend Chris Brown attacked her in February (09). The singer opened up about the incident for the first time in a TV interview with U.S. newswoman Diane Sawyer, which aired in the U.S. on Friday (06Nov09).