[1] Trainor's debut single, "All About That Bass", was released on June 30, 2014, and topped the Billboard Hot 100 for eight consecutive weeks.

[3] "All About That Bass" was certified diamond by the Recording Industry Association of America (RIAA), and preceded Trainor's debut EP, Title (2014), which peaked at number 15 on the Billboard 200 in September 2014.

The song preceded Trainor's debut major-label studio album Title (2015), which replaced her EP of the same name on the iTunes Store.

To support the album, two more singles were released: "Dear Future Husband" and "Like I'm Gonna Lose You", the latter featuring American singer John Legend.

The lead single from Trainor's third major-label studio album, Treat Myself, called "No Excuses" was released on March 1, 2018, and charted at number 46 on the Billboard Hot 100, being certified platinum by the RIAA.