For Kurban, the role of faith in their lives has never been clearer.
The arrival of new daughter Faith Margaret on December 28 blessed the pair beyond comprehension, they told People magazine in its new cover story.
Faith was born via surrogate (a.k.a. "gestational carrier") at The Women's Hospital at Centennial Medical Center in their adopted hometown, Nashville.
Faith Margaret takes her middle name from Kidman's grandmother, and her first from what Nicole and Keith relied upon to fulfill their family dream.
"They never gave up faith of expanding their family, that they'd have another child," says a friend of the couple, both 43. "They feel blessed."
Faith, who is the couple's biological child, joins big sister Sunday Rose, 2, and Kidman's adopted kids with Tom Cruise, Isabella, 18, and Connor, 15.
Kidman soke openly in the past about struggles to conceive. Now that the have added another daughter, says the friend, "they’re just thrilled."