Fergie’s little man is officially a member of the Catholic Church…

The 38-year-old part-Mexican American singer and Josh Duhamel baptized their son, Axl Jack, on Thursday December 12.

The couple, who welcomed their first child in August, gathered with a small group of family at St. Martin of Tours Catholic Church in Brentwood, California for an intimate ceremony and celebration.

“Baby Axl wore all white and seemed very calm about being baptized,” an eyewitness told People magazine, “He didn’t cry at all.”

Fergie has been open about her Catholic faith in the past, admitting that she and Duhamel were married in the church and continue to attend mass weekly.

And the new parents plan to bring up Axl Jack in the faith, as well.

“They seemed happy when they left the church,” an eyewitness said, “Axl had fallen asleep in his dad’s arms and he looked adorable.”