Former Girls Aloud star Nadine Coyle is a first-time mum. The Irish singer and her American football player fiance Jason Bell welcomed a baby girl on Monday (10Feb14). Coyle took to Twitter.com to share the news with her followers and wrote, "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." Singer Cheryl Cole sent her best wishes to her ex-bandmate via the microblogging site, writing, "It is OFFICIAL!! There is a baby Aloud!!!!!! Congratulations @nadinecoylenow & Jason so amazing!!!" Coyle, who is set to wed Bell later this year (14), has yet to reveal her daughter's name.