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OTRC: Alec Baldwin & Hilaria welcome baby girl, sister Ireland pens letter

Alec Baldwin and wife Hilaria Thomas pose on the red carpet at the 2013 SAG Awards in Los Angeles on Jan. 27, 2013.

Congrats to Alec Baldwin and wife Hilaria Baldwin -- they have welcomed a baby daughter, Carmen Gabriela.

This is the first child for the 29-year-old yoga instructor and the second for the 55-year-old actor, who shares a 17-year-old daughter, Ireland, with ex-wife and actress Kim Basinger.

"We are overjoyed to announce the birth of our daughter Carmen Gabriela. She is absolutely perfect," Hilaria tweeted on Friday, Aug. 23.

Ireland, meanwhile, posted on her Tumblr page a 1,800-word letter titled "Happy Birthday" to her new baby sister. She offers her life advice, such as "Enjoy your childhood and your teenage years," adding: "I grew up way too fast."

Alec and Hilaria wed in June 2012 in New York City. They announced their baby's gender in March.

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