Katy Perry has opened up on the depression she felt after splitting from Russell Brand.

The celebrity duo married in 2010, but they announced their break-up in late 2011.

Speaking to Australia's The Project, Perry said that she was in a "dark place" when writing newer material such as 'By The Grace of God'.

When asked if she ever felt like not wanting to go on with life, the singer said:

"I was depressed and it was sad and there were thoughts, but there were never actions, thankfully."

She added: "But I wanted to share that side of my story because I know there are so many other people out there that have gone through things like that and you always feel like you're the only one going through that."

'By The Grace of God' meanwhile features on Perry's 2013 record 'Prism'.

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Listen to Katy Perry's 'By The Grace of God' below: