"She Used To Be Mine" is the title of a song written by Ronnie Dunn

Ronnie Dunn

Ronnie Gene Dunn is an American country music singer-songwriter, known for being one half of the duo Brooks & Dunn. In 2011, Dunn began working as a solo artist following the breakup of Brooks & Dunn...

 and recorded by American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 country music duo Brooks & Dunn

Brooks & Dunn

Brooks & Dunn was an American country music duo consisting of Kix Brooks and Ronnie Dunn, who were both vocalists and songwriters. They were paired by record producer Tim DuBois in 1990. Before the duo's foundation, both members of the duo were solo recording artists...

. It was released in August 1993 as the third single from their second studio album, Hard Workin' Man

Hard Workin' Man

Hard Workin' Man was the second album released by country duo Brooks & Dunn. Like its predecessor, this album had a string of top 5 hits . Its singles were "Hard Workin' Man" , "Rock My World " , "She Used To Be Mine" , "We'll Burn That Bridge" , and "That Ain't No Way To Go"...

, the song reached the top of the Billboard

Billboard (magazine)

Billboard is a weekly American magazine devoted to the music industry, and is one of the oldest trade magazines in the world. It maintains several internationally recognized music charts that track the most popular songs and albums in various categories on a weekly basis...

Hot Country Singles & Tracks

Hot Country Songs

Hot Country Songs is a chart published weekly by Billboard magazine in the United States.This 60-position chart lists the most popular country music songs, calculated weekly mostly by airplay and occasionally commercial sales...

 (now Hot Country Songs

Hot Country Songs

Hot Country Songs is a chart published weekly by Billboard magazine in the United States.This 60-position chart lists the most popular country music songs, calculated weekly mostly by airplay and occasionally commercial sales...

) chart, becoming their fifth Number One single.

Chart positions

"She Used to Be Mine" debuted at #60 on the U.S. Billboard Hot Country Singles & Tracks for the week of September 4, 1993.

Chart (1993)	Peak position
U.S. Billboard Hot Country Singles & Tracks	1
Canadian RPM Country Tracks	1