Cameron Diaz and Benji Madden’s third baby has arrived .

“Cameron and I are Happy, Excited, and feeling so BLESSED to announce the birth of our third child,” the Good Charlotte member wrote via Instagram on Monday.

After sharing the infant’s unique name, Nautas, the musician added, “Welcome to the world Son!! We love life with our family — our kids are healthy & happy, and we are grateful!!”

Cameron Diaz (pictured above in June 2016) and Benji Madden’s third baby has arrived. Getty Images

The infant is named Nautus, Madden wrote via Instagram on Monday. benjaminmadden/Instagram

Madden, 47, concluded, “Having a blast, sending all our best wishes- the Madden Family.”

Diaz, 53, commented on her husband’s social media upload with red heart emojis.

The carousel included a playing card for a Nautas Madden character, explaining that the moniker means “sailor, navigator, voyager, one who embarks on a journey and fears not the unknown.”

The name the couple (pictured above in January 2015) gave their baby boy…