The 'Smile' hitmaker was said to be expecting another child with her husband Sam Cooper just eight months after the birth of their daughter Ethel in November, 2011, reported Daily Star.
"Yes, she is pregnant again," Keith confirmed.
Earlier, the 26-year-old pop star suffered a miscarriage in 2008 when she was four months pregnant with musician Ed Simon's baby. She suffered a second miscarriage in November 2010 when she was six months pregnant.