Lily AllenLily Allen is finally opening up for the first time about the tragic loss of her unborn baby last year.

The Daily Mail is reporting that Allen has stayed out of the spotlight since her miscarriage in October, but she finally spoke about the heartbreak in the U.K.'s Channel 4 documentary 'Lily Allen: From Riches to Rags.'

Allen and boyfriend Sam Cooper were left devastated when she suffered a miscarriage six months into her pregnancy, and her pain was evident during the TV show.

Allen said, "It was a really long battle, and I think that kind of thing changes a person."