The Chainsmokers' P.S. I Hope You're Happy feat. blink-182 is out Attention!!! 4 brand new songs are out now! Family with @KygoMusic, PS I hope Your Happy with @blink182, See the Way with @sabrinaclaudio and Reaper with @amyshark !! We hope you love the final songs on WWJ! We love you guys enjoy this new music! https://thechainsmokers.lnk.to/WorldWarJoy@thechainsmokers