Ben Affleck and Jennifer Garner have become parents for the first time after the actress gave birth to a baby girl last night.

The smitten pair and the tot, who they have named Violet, are said to be "doing great".

Jennifer Garner's hit show, 'Alias' has been axed following a drop in ratings.

The espionage drama - which ran for five seasons - will air its last episode in May next year.