Sam Smith tells us when the Kim Petras collaboration "Unholy" will be out.

The well-known singer posted on social media to let people know when their new

song "Unholy" would be out. In a Twitter post, they said, "Unholy. September 15.

Kim Petras, a young pop singer who has been making waves in the world of pop music, is set to sing on the song.

'Unholy' will be Smith's first new song since 'Love Me More,' which came out in 2014.

It will be Petras's first new music since she released her "Slut Pop" EP earlier this year.

 is set to sing on the song.
'Unholy' will be Smith's first new song since 'Love Me More,' which came out in 2014.

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