David Hornsby, Emily Deschanel

Congratulations to Emily Deschanel and David Hornsby.

The Bones actress, 38, and her It’s Always Sunny in Philadelphia star husband, 39, welcomed their second child – a son – E! News reports.

No other information — including the baby’s birth date or name — has been announced at this time.

The Hollywood couple – who were wed in September 2010 – are already parents to 3-year-old son Henry.

It’s a Deschanel baby boom! Emily’s sister, fellow actress Zooey Deschanel, is expecting her first child this summer with fiancé Jacob Pachenik.