The 27-year-old's album said she realised that she would regret not including the song 'If You Say So' in her album, reported Ace Showbiz.
"The album was done, and the label said, 'Do you want to add anything?' I was like, 'I might regret it if I don't,'" she said.
The song is based on the last words her boyfriend said to her before he died from lethal combination of heroin and alcohol in July.
Michele also recorded song 'You're Mine' which also remind her of Monteith.
