What makes My Ex's Best Friend by Machine Gun Kelly notable?

The song gained significant popularity, peaking at number 20 on the Billboard Hot 100 and becoming a staple in the pop-punk revival movement. Its collaboration with rapper blackbear further emphasized the merging of genres and solidified Machine Gun Kelly's place in both the hip-hop and rock scenes. Released on August 7, 2020, 'My Ex's Best Friend' marked a significant moment in Machine Gun Kelly's transition from hip-hop to pop-punk. This single came shortly after the release of his critically acclaimed album 'Tickets to My Downfall,' which showcased his artistic reinvention and broader appeal.