Malia Jones and Alex O'Loughlin

Hawaii Five-0 star Alex O'Loughlin and girlfriend Malia Jones are the proud parents of a newborn son, Us Weekly reports.

The couple welcomed their new addition on Oct. 25, after announcing they were expecting in August. They have yet to reveal the name.

Hawaii Five-0's Alex O'Loughlin and girlfriend are expecting

O'Loughlin, 36, and Jones, 35, both have children from previous relationships. O'Loughlin is dad to 15-year-old Saxon, and Jones has a 3-year-old son, Spike.

O'Loughlin is best known for his role as McGarrett on the CBS crime drama. Jones, a surfer and model, has appeared in commercials for Coca-Cola and American Express, among others.