It's a Girl for Lily Allen!

British singer Lily Allen and her husband Sam Cooper have welcomed a second baby girl.

Marnie Rose Cooper was born on Tuesday, Peoplereports, but it appears that she arrived later than expected, according to her mother's Twitter feed.

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"3rd curry this week. ............ Nothing #cosywomb," Allen tweeted last Friday, after writing posts about how uncomfortable she was during Christmas and New Year's Eve.

Allen and Cooper married in June 2011, and Marnie Rose joins 13-month-old big sister Ethel Mary.