Ready to pop! Heavily pregnant Jessica Alba wears tight dress for a walk with husband Cash Warren

She is pregnant with her third child.

And Jessica Alba put her bump on show in a tight blue dress during an outing with husband Cash Warren in Los Angeles on Sunday.

The 36-year-old seemed to be enjoying getting her steps in with her strapping other half by her side in the trendy Venice area.

Back to basics: Jessica Alba put her bump on show in a tight blue dress during an outing with husband Cash Warren in Los Angeles on Sunday

Back to basics: Jessica Alba put her bump on show in a tight blue dress during an outing with husband Cash Warren in Los Angeles on Sunday

The Fantastic Four favourite showcased her burgeoning bump in a trendy tight blue maternity dress, which she wore with a pair of comfortable white shoes.?

She rounded off her ensemble with a trendy patterned long silk jacket, designer handbag and thick-rimmed sunglasses.?

Producer Cash, 38, meanwhile opted for a casual look of blue T-shirt, jeans and red trainers.

The couple enlisted the help of their two daughters, Honor, nine, and Haven, six, to reveal they were expecting their first son last month.?

Things that go bump in the afternoon: The proud mother-to-be cradled her burgeoning belly

Things that go bump in the afternoon: The proud mother-to-be cradled her burgeoning belly

How romantic: Cash held his wife's hand as they crossed the road

How romantic: Cash held his wife's hand as they crossed the road

Trendy: The stylish actress was wearing a?tight blue maternity dress

Trendy: The stylish actress was wearing a?tight blue maternity dress

The couple had already took to social media to announce they were expecting their third child in July by posting a video of the actress with her daughters holding '1, 2, 3' balloons.

Jessica captioned the snap: 'Cash Warren and I are officially going to be outnumbered!'

Heaping praise on his wife, silver-tongued Cash previously lauded his?wife of nine years for being a 'hot mom'.

He said: 'I’m always impressed by how hot she is. I think she still looks really hot and she’s like a hot mom. I think that always impresses me when I wake up next to her.

Thirsty work: She was carrying an iced drink as she racked up the steps

Thirsty work: She was carrying an iced drink as she racked up the steps

Specs appeal: She rounded off her look with a pair of oversized sunglasses

Specs appeal: She rounded off her look with a pair of oversized sunglasses

'Hot mom': Her husband Cash has said he is 'always impressed by how hot she is'

'Hot mom': Her husband Cash has said he is 'always impressed by how hot she is'

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