Alex O'Loughlin and girlfriend Malia Jones welcome baby boy

"Hawaii Five-0" star Alex O'Loughlin and his girlfriend, model Malia Jones, welcomed a baby boy Thursday (Oct. 25), reports Us Weekly.

The couple, who announced they were expecting in August, both have sons from previous relationships -- O'Loughlin is dad to 15-year-old Saxon and Jones has a 3-year-old named Spike. No word yet on the name of the family's latest addition.

O'Loughlin, 36, can be seen in Season 3 of "Hawaii Five-0," which is currently shooting in Honolulu, Hawaii. While Jones, a former competitive surfer who is 35, has appeared in magazines like Sports Illustrated and Esquire and commercials for Coca-Cola and American Express.

Jones has also been named to People's "50 Most Beautiful" list. With these two for parents, odds are this is one cute kid