Kelly Clarkson wants to remain completely honest with her fans when addressing her split from her estranged husband, Brandon Blackstock. ET recently spoke with both Clarkson and her fellow coach Gwen Stefani about the highly anticipated new season of the hit singing competition, and the «Stronger» singer talked about being so open about her and Blackstock's split.Clarkson filed for divorce from Blackstock in June after nearly seven years of marriage.