Together, Garth Brooks and Trisha Yearwood have sold almost 80 million albums, which has earned the husband and wife the title of Most Powerful Celebrity Couple in Music in America, based on combined sales since 1991, according to Billboard magazine.
The second slot belongs to Jay-Z and Beyoncé, who together sold 62 million units.
Tim McGraw and Faith Hill came in at No. 3, with joint sales totaling almost 61 million albums.

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