My Ex's Best Friend

"My Ex's Best Friend"
Single by Machine Gun Kelly featuring Blackbear
from the album Tickets to My Downfall
Released	August 7, 2020 (2020-08-07)
Recorded	2019
Genre	Pop-punk
Length	2:19
Label	Bad Boy Interscope
Songwriter(s)	Colson Baker Matthew Musto Nicholas Alex Long Travis Barker
Producer(s)	Travis Barker
Machine Gun Kelly singles chronology
"Concert for Aliens" (2020) "My Ex's Best Friend" (2020) "Acting Like That" (2020)
Blackbear singles chronology
"Monsters" (2020) "My Ex's Best Friend" (2020) "Hard on Yourself" (2020)
Music video
"My Ex's Best Friend" on YouTube

"My Ex's Best Friend" (stylized in all lowercase) is a song by American musician Machine Gun Kelly featuring fellow American musician Blackbear. It is the third single off of the former's pop-punk fifth studio album Tickets to My Downfall. The song reached number 20 on the US Billboard Hot 100 chart, becoming the third top-40 hit for both artists.