While many songs of Gomez’s from her Disney days were presumed by fans to be about Bieber, she doesn’t have a writing credit on them, specifically those she performed as Selena Gomez & the Scene. 6 on the Billboard Hot 100, spending 20 weeks on the chart. “The Heart Wants What It Wants” was Gomez’s only single off her 2014 compilation album For You, her last release through Disney’s Hollywood Records. Like every song on here, Gomez is not solely responsible for the lyrics to “It Ain’t Me.” However, songwriter Ali Tamposi told Billboard that while it was her concept, she “tapped into experiences,” saying, “I’m really impressed by her level of contribution.” Interestingly, co-writers Brian Lee and Andrew Watt had worked with Bieber before this. Bieber, notably, has spoken about his issues with drugs and alcohol in the past. In the song, Gomez sings about being in a relationship with someone who drinks heavily and can’t keep supporting them. It spent 29 weeks on the chart, making it Gomez’s second-longest charting hit, and the longest that she contributed to as a songwriter. “It Ain’t Me” was the lead single off popular DJ Kygo’s 2017 EP Stargazing, and featured Gomez as a songwriter and sole vocalist. “It’s all very real to me,” she said of seeing her ex in the tabloids with someone else. Seacrest asks her about the lyric: “In two months, you replaced us/Like it was easy.” Fans believed this to be a near-perfect representation of how Bieber was linked to his now-wife very soon after he and Gomez split the last time. Speaking at On Air With Ryan Seacrest about the track in October 2019, Gomez said she “wrote it over a year ago.” This not only lines up with the timeline of her relationship with Bieber, but one specific line stands out. The song depicts leaving behind a relationship and being better for it. 15 on the Billboard Hot 100, staying on the chart for 23 weeks. “Lose You to Love Me” was the lead single off Gomez’s 2020 album Rare. Here’s a look at four of these, and what Gomez has said about them. Some of Gomez’s most popular songs (based on time on the Billboard Hot 100 and iTunes sales) are thought to be about her very famous ex. While they’re no longer together, what remains of Gomez and Bieber’s relationship is the music they each made over the years. The singers dated on and off for nearly a decade. One of the most talked-about young relationships in the music business is that of Selena Gomez and Justin Bieber.