Nicole Richie, Xtina Aguilera's babies born!

Christina Aguilera announced the birth in a quick text message to friends around 4 PM PST.: “Baby has arrived. Mom and dad are doing well!”

It’s a girl for Joel Madden and Nicole Richie. The proud parents have named her Harlow Winter Kate Madden.

Harlow is 6 lbs., 7 oz. “The beautiful healthy baby girl left the hospital with her ecstatic parents,” the couple’s rep says.

Congrats to Jonathan and Christina, and Joel and Nicole.

Two down, three to go (Halle, J.Lo, and Jamie Lynn)

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