Country music star Blake Shelton and pop singer Gwen Stefani, both judges on NBC's "The Voice," have begun a romantic relationship.

"Gwen and Blake are longtime friends who have very recently started dating," Stefani's representative confirmed to Us Weekly Wednesday.

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The magazine said Shelton, 39, was planning to take Stefani, 46, to the after-parties following Wednesday night's Country Music Association Awards in Nashville, Tennessee.

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Shelton and fellow country star Miranda Lambert divorced in July after four years of marriage, and Stefani in August filed for divorce from her husband of 13 years, Bush lead singer Gavin Rossdale.