Even though his flow seems effortless, fun-loving rapper Flo Rida works incredibly hard, and now that he's topped the charts, he's getting back to his roots. "It wasn't easy getting to the top," Flo confessed in the opening montage of his moving 'I Cry' video. "I went through more than any man should have to growing up in the projects. Now I'm back for the kids," he affirms. &q