Lily Allen implored her Twitter fans to "say a little prayer" hours before doctors began battling to save her unborn child.
The star posted the message from hospital on Saturday, but tragically later that day the 25-year-old singer lost her baby.
It has emerged that Lily - who was six months pregnant - was rushed to hospital on Thursday afternoon with stomach cramps.
She received treatment the following day and was placed under observation for the weekend.
But on Monday, a spokesman acting for the star and her builder boyfriend Sam Cooper (pictured in August) revealed the sad news, speaking of the couple's deep distress.
It's the second time that Lily has lost a child. In December 2007 she revealed she was expecting with then-boyfriend Ed Simons, but suffered a miscarriage the following month.
A number of celebrity mums have responded to the shattering news with messages of support for the Fear singer and Sam.
"Lily Allen and her partner Sam. I am so truly sorry and sad for you both and your family," tweeted expectant Myleene Klass, while Denise Van Outen wrote: "Such sad news about Lily Allen and Sam. My heart goes out to them."
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Photo: ę Rex