Gwen Stefani, who filed for divorce from husband of 13 years Gavin Rossdale Shares how she's focusing on the positives in her life.Stefani responsed to the situation "I haven't really been working on my physical appearance. I've been working on my spiritual exercising,". Last week, she debuted the emotional music video for her latest single "Used to Love You," and naturally, many fans has speculated that the song is about the end of her marriage. She also added "really trying to connect and be grateful, considerate, being present and living in the moment, and so that's where I've put a lot of my exercise right now,"