"Heart Break" is a song by American country music group Lady Antebellum and serves as the title track from the group's seventh studio album, of the same name (2017). The group co-wrote the song with Jesse Frasure and Nicolle Galyon. It was released to American country radio on September 25, 2017 as the album's second single.

The title of the song is a play on the concept of heartbreak, with a message of "letting your heart take a break" in between relationships and taking time to recover one's self. "Heart Break" is about being "happily single" and subverts expectations with its title.

"Heart Break" was released to digital retailers on May 12, 2017 as the first promotional single from the album. The group performed the song on The Tonight Show Starring Jimmy Fallon on June 14, 2017 and on Good Morning America, amongst other songs, on July 14, 2017. The song was announced as the second radio single on September 11, 2017. It officially impacts country radio on September 25, 2017. "Heart Break" was included on the setlist for the trio's You Look Good World Tour.

Matt Bjorke of Roughstock called "Heart Break" "perhaps the best potential follow-up to "You Look Good" as a radio moment," and praised the song's message of independence. Annie Reuter of Sounds Like Nashville wrote that the track is "one of the more memorable songs" on the album for its distinct storytelling. Cillea Houghton of Taste of Country wrote that the song "celebrates singledom with a chill vibe and a perky, pop-driven sound," and that it sets the tone for the rest of the album, which she reviewed favorably.

"Heart Break" sold 7,000 copies in the first week following its promotional digital release. It resultantly debuted at number 49 on the Hot Country Songs chart dated June 3, 2017. Following its release as an official single, "Heart Break" entered the Country Airplay chart at number 57 on the chart dated October 14, 2017. On the chart dated December 2, 2017, the song re-entered the Hot Country Songs chart at number 47.

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