What is Justin least popular song?

Justin Bieber has released many songs throughout his career, some of which have become more popular than others. However, it is difficult to determine definitively which song is his least popular, as popularity can be measured by a variety of metrics such as sales, streams, and radio airplay, and can vary depending on the region or country. Some songs that have been identified as having relatively lower levels of popularity compared to others include "One Less Lonely Girl", "Pray", and "As Long as You Love Me". However, it is worth noting that even these songs have achieved some level of success and have fans who appreciate them.