Jessie J performed an emotional 2-hour show Wednesday night just one few hours after having a miscarriage.

Jessie tells us that she was informed about the devastating announcement when she was having her third scan . She was informed that the baby was not carrying any heartbeat.

Jessie was in L.A. to perform at the concert, which was acoustic in The Hotel Cafe She spoke to the audience … “I have decided to have a baby all by myself and , by sheer luck, the baby was born for short time but yesterday, it was just f***ing it. ***.” Jessie continued … “This year has been hands down the hardest year I’ve ever had to get through … I lost my baby and I know I’m going to be OK.”

Jessie J 'overwhelmed' by 'outpouring of love' following a devastating miscarriage

For those who ask how she found the energy to put on a show she responded prior to the show, saying “What I do know is that I want to sing tonight. Not because I’m avoiding the grief or the process, but because I know singing tonight will help me.”

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Prior to the show Jessie 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,” and adding, “I want to be truthful and authentic and not conceal my feelings. I’m entitled to this. I’m determined to be the best version of myself I am at this point. Not just for the people watching, but also for myself and my baby who was a trooper.”

She said “I’m still in shock. The sadness is overwhelming. But, I know I am strong, and I know I will be ok … It’s the loneliest feeling in the world.”