Jessica Alba's first pregnancy wasn't planned.

Speaking to InStyle magazine, she said: "It [the pregnancy] was not planned, but I was like, 'OK, this is where my life is going. I always wanted to be a mom.' "

However, although it wasn't something that wasn't initially on her agenda, she believes little Honor actually helped turn her life around as she found herself going through a "crisis" just before she realised she was pregnant.

She explained: "My sexuality made me very uncomfortable. I remember my first Maxim shoot, they were telling me to pose a certain way, and I was like, 'Agh! I'm 19. I'm a virgin. I don't even know how to do that.' It was so awkward.

"I sort of went through a life crisis. I was like, 'This isn't what I set out to be. I'm so much more than this, but I don't know how not to be a sex symbol.' "

The blonde beauty set out to shed her sexy title by setting up her own business, The Honest Company, in 2011.

Jessica launched the brand, which specialises in non-toxic products like nappies, shampoos and cleaning solutions, to ensure her children don't battle with allergies their whole lives - just like she did when she was growing up.

She said: "I didn't want my kids to be in the hospital all the time like I was. I made a deal with the universe: If I was able to manifest my dreams, I would try to do good in some way."

The company is now valued at over $1 billion and is ever-growing with new products such as make-up and beauty.