The singer’s message incorporated the titles of the additional, previously-unreleased songs ‘OK’, ‘I Woke Up’, ‘Has A Heart’ and the seasonal ‘No More Tears For New Year’s’.

"Ain't got no tears left to cry," she sings in the single's soaring chorus. "So I'm loving, I'm living, I'm picking it up." Produced by Max Martin, the song transforms from its sombre, gospel ...