Country singer and songwriter Johnny Cash (L) and his wife June Carter Cash of the Carter Family group arrive May 1, 1968 at London Airport in London, United Kingdom.
Kimberly Williams And Brad Paisley
(credit: Alberto E. Rodriguez/Getty Images)
Actress Kimberly Williams and Singer Brad Paisley arrive at the Sony BMG Music 2008 Grammy Awards After Party held at the Beverly Hilton Hotel on February 10, 2008 in Beverly Hills, California.
Clint Black And Lisa Hartman Black
(credit: Jemal Countess/Getty Images for Songwriters Hall of Fame)
Singer/Songwriter Clint Black and wife Lisa Hartman Black walk the red carpet during the 40th Annual Songwriters Hall of Fame Ceremony at The New York Marriott Marquis on June 18, 2009 in New York City.
Nicole Kidman And Keith Urban
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Nicole Kidman and Keith Urban attend the 45th annual CMA Awards at the Bridgestone Arena on November 9, 2011 in Nashville, Tennessee.
Vince Gill And Amy Grant
(credit Rick Diamond/Getty Images)
Vince Gill and Amy Grant perform at the 2011 Country Christmas at the Bridgestone Arena on November 10, 2011 in Nashville, Tennessee.
Miranda Lambert And Blake Shelton
(credit: Christopher Polk/Getty Images)
Country singers and couple Miranda Lambert and Blake Shelton perform “America the Beautiful” during the Bridgestone Super Bowl XLVI Pregame Show at Lucas Oil Stadium on February 5, 2012 in Indianapolis, Indiana.
Trisha Yearwood And Garth Brooks
(credit: Erika Goldring/Getty Images)
Country music artists Trisha Yearwood and Garth Brooks attend the 2012 Country Music Hall of Fame Inductees announcement at the Country Music Hall of Fame and Museum on March 6, 2012 in Nashville, Tennessee.
Faith Hill And Tim McGraw
(credit: Martin Philbey/Getty Images for Danda Films)
Tim McGraw and Faith Hill perform live in concert at the Rod Laver Arena on March 20, 2012, in Melbourne, Australia.