A romance that began when No Doubt and Bush went on tour together 20 years ago is over. Singers Gwen Stefani and Gavin Rossdale have filed for divorce, citing irreconcilable differences, reports E! Online. The pair, who married in 2002, issued a joint statement saying they "remain partners in parenthood" and will jointly raise their three sons, 9-year-old Kingston, 6-year-old Zuma, and 1-year-old Apollo. Reba McEntire is also getting divorced, People reports. The country star says she and Narvel Blackstock have decided to call it quits after 26 years of marriage, but he will continue to work as her manager. (More Gwen Stefani stories.)