In February 2019, Tana Mongeau and Bella Thorne ended their relationship with Mod Sun. Although Thorne and Mod Sun continued to date for a few more months, they eventually split in April. During an appearance on the podcast “H3,” Mongeau revealed that while they were in a throuple, she and Mod Sun had bonded over their shared frustrations with Thorne. This eventually led to them dating, which caused a lot of drama with Thorne. Mongeau said that Thorne was upset because her relationship with Mod Sun was no longer in her control. In December 2020, Thorne released the single “SFB,” which is believed to be about Mongeau.