Credit: Jeff Vespa/

Whoa, baby!

Keith Urban and Nicole Kidman kept a pretty big secret from reporters at Sunday's Golden Globe Awards: they're the proud parents of a new baby girl!

Born December 28 at Nashville's Centennial Women's Hospital, newborn Faith Margaret Kidman Urban joins the couple's 2-year-old biological daughter, Sunday Rose. Though she was born via surrogate, Faith Margaret is Urban and Kidman's biological daughter.

"Our family is truly blessed, and just so thankful, to have been given the gift of baby Faith Margaret," Kidman, 43, and Urban, also 43, tell in a statement.

"No words can adequately convey the incredible gratitude that we feel for everyone who was so supportive throughout this process, in particular our gestational carrier," the couple, who tied the knot in 2006, adds.

Kidman is also mother to daughter Bella, 18, and Connor, 15, from her previous marriage to Tom Cruise.