Mummy, can I have a pair? Jessica Alba and baby Haven wear sun hats on the beach... but squinting tot needs some aviators too

Last updated at 9:08 AM on 31st December 2011

It's a rare thing for Jessica Alba to make a public appearance and not be the centre of attention.

But the Sin City beauty took a backseat as all eyes fell on her adorable tot Haven.

The mother-of-two was spied clutching her daughter during the family winter vacation in Mexico.

Festive sunshine: Jessica Alba holds daughter Haven during a day on the beach in Cabo San Lucas, Mexico

Both girls wore sun hats to block out the sunshine, but the squinting four-month-old looked like she needed a pair of aviators like mummy to protect her from the beaming rays.

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Alba covered up her sunkissed body in a patterned sun dress as she held her youngest child in her arms, but had previously teased onlookers with her post-pregnancy body in a bikini.

The 30-year-old showed off her slender curves outside her Mexican holiday villa, accompanied by husband Cash Warren, Haven and their eldest daughter Honor, three.

Back in bikinis: Jessica Alba showed off her post-baby body outside her Cabo villa, where she is on holiday with husband Cash Warren and their two daughters Haven and Honor

Wearing a floral string bikini, still with her sun hat in place to protect her face, the actress wrapped herself in a towel while Honor played in the sand with some friends.

Considering she gave birth to Haven so recently as August, she was in enviable shape - a testament to her healthy lifestyle.

One for the album: Cash takes a snapshot of daughter Honor and her friend while Jessica holds Haven

Though filled out a little compared to previous years, Alba has been keen not to lose the body which won her so much admiration in films Into The Blue, The Fantastic Four and Sin City; all of 2005.

The group have obviously been enjoying their break, with Jessica tweeting a picture of two of the children in the pool, writing: 'Gd times in Cabo'

Enviable shape: Jessica has clearly been careful to maintain her healthy regime

Jessica and her family have escaped to Mexico after a cosy Christmas spent in Beverly Hills.

It was rather a hectic affair in some respects, with Jessica having some menu-related difficulties the day before.

Credit to her, she was obviously going all out to do as much cooking from scratch as possible- though it proved rather hazardous at times.

Still got it: Jessica's stomach looked enviably flat considering she gave birth only five months ago

Jessica posted on Christmas eve: 'First war wound from Xmas dinner cooking - fresh Italian bread stuffing w spicy n sweet Italian sausage'

She tweeted on Christmas day: 'Ordering food on Xmas Eve is a bit of a challenge - every yr we seem to run into the same problem'

But everything came together on the day, and it appears some guests received a few thematic gifts, as Jessica tweeted on Wednesday 'Our special performance tonight - Ariel x3', attaching a picture of three girls in matching princess outfits.

Back in the day: Jessica sealed her standing as one of the most desired women in the world in 2005's Into The Blue

Back in the day: Jessica sealed her title as one of the most desired women in the world in 2005's Into The Blue