actor Scott Caan and his girlfriend, Kacy Byxbee, are expecting their first child together, his rep confirms to Us Weekly.
PHOTOS: Father's Day gift guide "They haven't been keeping it private really, she's just been working on her business with her family so she hasn't been around," a source tells Us of Byxbee's pregnancy.
He currently stars as Detective Danny "Danno" Williams in the CBS television series Hawaii Five-0 (2010–), for which he was nominated for a Golden Globe Award.
Caan is also known for his recurring role as manager Scott Lavin in the HBO television series Entourage (2009–2011).
"She should get the purple heart because I'm a complete disaster," he said.
The couple live together in Hawaii for the star's CBS series, but said the "relaxed" nature and lack of "hustle" isn't ideal. I pick up the cup and they slowly pick of the cup," he joked.
The duo went by the names Mad Skillz and Mudfoot, respectively.O'Loughlin, also dad to 17-year-old son Saxon from a previous relationship, welcomed son Lion in October 2012.Caan's rep has not yet responded to requests for comment.Whether or not the two are romantically linked is unknown, but the mystery woman came across all camera shy as she briskly walked past the paparazzi while the actor spoke to snappers outside the venue.Neil Patrick Harris’ “Choose Your Own Adventure” autobiography doesn’t come out until October, but you can pre-order it now if you’re so inclined.(Scott's mother is actress Sheila Ryan.) "His dad James is really close with him," the insider adds to Us.