The 36-year-old actor, who is expecting her third baby with husband Cash Warren, said this will be their last, reported E! Online.
"Last one," Alba quipped, when asked about being pregnant with baby number three.
The "Sin City: A Dame To Kill For" star is already a mother to two daughters Honor (nine) and Haven (six).
Alba further went on to explain how she manages to strike a work-life balance.
"I think it's the quality of time that you put in at work and how you're fed at work and what you bring home. And also what you let go of when you come home.
"A happy work place actually makes for a healthier person and healthier children... if you're happy - even if you come home late and you're working long hours - if they see that you're happy and you're in a good mood and you're present with them that's way better than you spending ten hours a day with them in misery," she said.
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