Every bombshell Lily Allen drops about 'cheating' ex David Harbour on her new album West End Girl

In two songs on the album, "Tennis" and "Madeline," the singer references a woman named "Madeline." She sings: "I can't get my head round how you've been playing tennis / If it was just sex, I wouldn't be jealous / You won't play with me and who's Madeline?" Later, Lily continues: "If it was just sex I wouldn’t be jealous / You won't play with me and who the [expletive] is Madeline?"

While not confirmed by either Lily or David, in "Madeline" the singer insinuates their open marriage went array. She sings: "We had an arrangement / Be discrete and don't be blatant / There had to be payment / It had to be with strangers / But you're not a stranger, Madeline." In the same song, a person with an American accent says: "Our relationship has only ever been about sex."

On the opening track of the album, Lily insinuates that David is jealous of her. She sings: "And they were like 'Hey, you've got a lead in a play' / 'You've gotta be back in London for rehearsals in May' / And then later that evening you said how was my day / I said “I got some good news, I got the lead in a play" / That's when your demeanour started to change / You said that I'd have to audition, I said "You're deranged"

On the album's title track, Lily opens up about her move from London to New York City. She and David bought a brownstone in Brooklyn – that was later featured in Architectural Digest. The singer says in the song: "“Now I'm looking at houses / With four or five floors / And you found us a brownstone / Said, 'You want it? It's yours' / I could never afford this / You were pushing it forward / Made me feel a bit awkward."

In the song "Ruminating," Lily shares her struggles with the breakup. She sings: "I can't shake the image of her naked / On top of you, and I'm disassociated / Did you kiss her on the lips and look into her eyes? Now that it's done / Baby, won't you tell me that I'm still your number one? / 'Cause you're my number one."

Lily shocked listeners on the song "Pussy Palace," where dives into her discovery that David used their apartment in the West Village as his "pussy palace." She sings: "I found a shoebox full of handwritten letters / From brokenhearted women wishing you could have been better / Sheets pulled off the bed / Strewn all on the floor / Long black hair probably from the night before."