"Like I'm Gonna Lose You" is a song by the American singer-songwriter Meghan Trainor from her debut major-label studio album Title (2015), featuring guest vocals from John Legend. Trainor wrote the song with Justin Weaver and Caitlyn Smith, and produced it with Chris Gelbuda. Epic Records released it as the album's fourth single on June 23, 2015. A soul love ballad, "Like I'm Gonna Lose You" is about savoring moments spent with loved ones and not taking them for granted.

John Roger Stephens, known professionally as John Legend, is an American singer, songwriter, pianist, record producer, and actor. He began his musical career working behind the scenes for other artists, playing piano on Lauryn Hill's "Everything Is Everything," and performing as an uncredited backing vocalist on Jay-Z's "Encore" and Alicia Keys' "You Don't Know My Name". He was the first artist to sign with Kanye West's GOOD Music, through which he released his debut studio album, Get Lifted (2004). The album reached the top ten of the Billboard 200, received double platinum certification by the Recording Industry Association of America (RIAA) and spawned his first hit song, "Ordinary People."