Singer Jessie J has suffered a miscarriage but told fans she will still perform a day after finding out the news.

In an emotional Instagram post, she shared a picture of a positive pregnancy test and a quote from poet Seyda Noir, and tagged her location as “heartbroken”.

The 33-year-old said “the sadness is overwhelming” but added: “I know I am strong, and I know I will be okay.”

In the lengthy caption, she wrote: “Yesterday morning I was laughing with a friend saying ‘seriously though how am I going to get through my gig in LA tomorrow night without telling the whole audience I am pregnant’.

“By yesterday afternoon I was dreading the thought of getting through the gig without breaking down…”

She said she had gone for her third scan, only to be told there was no heartbeat.

The Bang Bang singer said: “I decided to have a baby on my own.

“Because it’s all I’ve ever wanted and life is short. To get pregnant was a miracle in itself and an experience I will never forget and I know I will have again.”

Jessie has previously opened up about her fertility struggles and revealed during a 2018 concert doctors had told her at the age of 26 she might never be able to have children.

However, she confirmed she would still perform her LA show, and said her “soul needs it”.

She wrote: “I started singing when I was young for joy, to fill my soul and self love therapy, that hasn’t ever changed and I have to process this my way.

“I want to be honest and true and not hide what I’m feeling. I deserve that. I want to be as myself as I can be in this moment. Not just for the audience but for myself and my little baby that did its best.

She added: “I know myself and I know I would talk about it on stage because that’s who I am. So instead of a tearful emotional speech trying to explain my energy. This feels safer.

“I’m still in shock, the sadness is overwhelming. But I know I am strong, and I know I will be ok.

“I also know millions of women all over the world have felt this pain and way worse. I feel connected to those of you I know and those of you I don’t.

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“It’s the loneliest feeling in the world.

“So I will see you tonight LA.

“I may crack less jokes but my heart will be in the room.”