De Matteo, Jennings and (adorable) daughter Alabama in January. - Stephen Lovekin/Getty Images
De Matteo and longtime boyfriend Shooter Jennings welcomed Waylon Albert "Blackjack" Jennings to the world on Thursday.
Yep, Blackjack. Jennings tweeted, "Waylon Albert 'Blackjack' Jennings has arrived. Thanks for all the kind words folks! We're super lucky to have so many kind friends!"
Jennings and de Matteo -- who have been together for nine years and were engaged in the summer of 2009 -- have a 3-year-old daughter Alabama Gypsyrose.
- Shooter Jennings
- Drea de Matteo