Washington DC, April 16 -- Country singer Morgan Wallen and pop sensation Post Malone are set to reunite again for their second duet 'I Ain't Comin' Back,' reported Variety.

The song is set to be released this Friday, as per the outlet.

The singer duo announced the single on Instagram, teasing another massive hit after they ruled the billboards with their song "I Had Some Help" last year.

Malone and Wallen released the song last May, ahead of the former's F-1 Trillion album.

According to Variety, Malone and Wallen's earlier collaboration on a song broke Spotify's single-day country streaming record and debuted at No. 1 on the Billboard Hot 100.

It also became No. 1 on Billboard's 20 Songs of the Summer chart last year.

Meanwhile, Wa...