P.S. I Hope You're Happy

"P.S. I Hope You're Happy"
Single by the Chainsmokers featuring Blink-182
from the album World War Joy
ReleasedDecember 6, 2019 (2019-12-06)
Genre
Length3:45
Label
Songwriter(s)
Producer(s)
  • The Chainsmokers
  • Travis Barker
The Chainsmokers singles chronology
"See the Way"
(2019)
"P.S. I Hope You're Happy"
(2019)
"High"
(2022)
Blink-182 singles chronology
"Not Another Christmas Song"
(2019)
"P.S. I Hope You're Happy"
(2019)
"Quarantine"
(2020)

"P.S. I Hope You're Happy" is a song by American electronic music duo the Chainsmokers featuring American rock band Blink-182, released on December 6, 2019, as the tenth and final single from the duo's third studio album, World War Joy, which was released on the same day.