January 22, 2016 - Elías Bublé's First Pictures
Announcing the news on Twitter, the couple revealed that mother and child are healthy and happy.
"Introducing Noah's little brother Elias Bublè."
"And then there were four," read the caption of an adorable photo of the pair cradling the hours-old child.
The 28-year-old gave birth to the healthy baby at the hospital "Women's Hospital" in Buenos Aires, Argentina, on January 22, at 3:05 pm.
Having her doctor, Mark Rosengarten by her side, everything went well and some hours later members of the family visited Luisana at the hospital to meet the newborn.