A video has also been filmed for the track, which features the model and socialite playing the piano.
"This heart will self-destruct in five seconds/ This girl will fall apart one more time / This heart is heading is for the firing line," Palmer-Tomkinson sings in the chorus.
Back in 2008, Palmer-Tomkinson said that her planned album was like a memoir.
"I sing and play [piano] and it's all me in there," she said.
"I couldn't write an autobiography. This album is my autobiography. I'm proud of it. It sounds quite like Dido."