What album won the Best British Single award at 2017 BRIT Awards and featured a song remixed by Machine Gun Kelly?
No More Sad Songs:  A remix version, featuring newly recorded vocals from American rapper Machine Gun Kelly, was released as the third single from the album on 3 March 2017, through Syco Music. Glory Days (Little Mix album):  The single later won the Best British Single award at 2017 BRIT Awards.
i don't know