The 28-year-old singer announced her new arrival on Twitter at around 9pm tonight saying: " I am overjoyed to let you know our little girl is here. She is amazing! I love being a mammy & will fill you all in soon. Love Nadine Xx."
Her bandmate Cheryl Cole was quick to congratulate her tweeting: " It is OFFICIAL!! There is a baby Aloud!!!!!! Congratulations @nadinecoylenow & Jason so amazing!!!"
Nadine announced last year she was expecting her first child with American football player Jason Bell.
What she will call her daughter is yet to be revealed.
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