Predictably, Bieber’s fans spent hours dissecting the lyrics of the 21 tracks to look for clues about his well-being and the state of his marriage. Vulture said the lyrics — on this “mediocre” new album — largely deal with his “complicated” marriage to Hailey and are “skewed toward ‘I still love you.’”

Justin Bieber is teasing his long-awaited seventh studio album — apparently called “Swag” — with a series of billboards and social media posts Thursday.

“SWAG,” the Canadian singer’s seventh studio album, features 21 tracks, including collaborations with rap artist Gunna, gospel singer Dijon, rapper Lil B, comedian Druski, rapper Sexyy Red, musician C...