There's no question this must be excruciatingly difficult on the entire family.
The source said:
[Image via FayesVision/WENN.]
It's official — Prince George has a baby sister!!
The Duchess of Cambridge gave birth to a baby girl at 8:34am London time. No name has been released yet.
The baby weighed 8 lb. 3 oz. She was delivered in the Lindo Wing of St. Mary's Hospital.
The royal family has been informed of the birth. Mom and baby are both doing well, Kensington Palace reports.
This story is developing.
[Image via WENN.]