As an artist, Lily Allen stands firm by her belief that heartbreak can be a gift. After all, it helped lead to her latest album, "West End Girl."

"You know, while I was writing it, I wasn't really sure that it was going to see the light of day," Allen told CBS News special correspondent Anthony Mason in an interview for "CBS Mornings" that aired Thursday, describing the music as "an act of desperation." The studio album, released in late October, was written during the breakup of her nearly 4-year marriage to "Stranger Things" actor David Harbour.

The theme of what's been described as Allen's epic "breakup album" centers around tales of a deceptive partner, which the singer says is based partly on truth and partly on fantasy.

Harbour has not directly addressed his breakup with Allen or

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