She explained: "The depression is something that happens quite slowly. It is hard to describe because every individual is different.
“You’re in this dense fog. Other people get out of it but I went thicker and thicker into the fog. But I am in a very good place now, and that is all that matters.”
The Irish singer has praised her husband, England rugby international Ben Foden for supporting her through her battle with postnatal depression brought on after the birth of the couple’s second child, Tadgh, three years ago.
"I got through my post natal depression – thank God I did. Your family are there to be with you and support you through it all – and Ben was amazing," she told the Sunday Mirror.