Jennifer Garner and husband Ben Affleck are celebrating the birth of their second child, a baby girl.

People magazine reports that a spokesperson for the couple did not reveal the child's name and no other details were provided.

Garner and Affleck, both 36, have a three-year-old daughter, Violet.

Affleck will next be seen on Irish cinema screens in the Jennifer Aniston comedy 'He's Just Not That Into You'.