Nicole Richie and her fiancé, Good Charlotte frontman Joel Madden, welcomed their first child together, daughter Harlow Winter Kate Madden, Friday at Los Angeles' Cedars-Sinai Medical Center, People reports.

Christina Aguilera and hubby Jordan Bratman welcomed their first child in Los Angeles on Friday. The couple announced the birth in a quick text message to friends and family around 4 p.m.: "Baby has arrived. Mom and dad are doing well!" (Apparently not even the prospect of dirrty diapers can dampen their spirits.)

But wait! There's more! Melrose Place star, Courtney Thorne-Smith, 40, and her husband welcomed Jacob "Jake" Emerson on Friday as well.

Busy day for Hollywood hospitals.