Jessica Alba steps out in see-through chiffon skirt and flip-flops


For the sheer hell of it! Birthday girl Jessica Alba steps out in see-through chiffon skirt

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UPDATED:

20:22 GMT, 29 April 2012

We all try and eke out our birthdays out into at least a week of celebrating.

And Jessica Alba is no different, enjoying various different activities to welcome in her 31st.

The Sin City star confessed to being 'spoilt rotten' by friend Kelly Sawyer, stepping out in a stunning sheer skirt as they dined out for lunch, had their nails done and even visited the ear piercing studio.

Birthday girl: Jessica Alba gets her nails done as she celebrates turning 31

Birthday girl: Jessica Alba gets her nails done as she celebrates turning 31

Jessica looked effortlessly pretty,
with her ungroomed hair casually hanging over both shoulders and the sea
green chiffon material complemented with a sleeveless pale pink blouse
to keep cool.

The
mother-of-two also opted for comfort over style as she walked along in
green flip-flops, instead holding another pair of shoes which she
perhaps slipped into while eating at the restaurant.

The
two friends had visited what appeared to be a Greek eaterie, with
Jessica tweeting a picture of themselves surrounded by pitta bread and
houmus spread, with the caption: 'Lunch w mimosas!'

Lazy days: Jessica opts for comfort over style with a pair of green flip-flops

Lazy days: Jessica opts for comfort over style with a pair of green flip-flops

For the sheer hell of it! Jessica wears a feminine skirt for her trip in Beverly Hills

For the sheer hell of it! Jessica wears a feminine skirt for her trip in Beverly Hills

For the sheer hell of it! Jessica wears a feminine skirt for her trip in Beverly Hills

A mimosa is a birthday girl's dream drink – with one part champagne and the other chilled citrus juice.

Jessica was over the moon with
yesterday's events, tweeting: 'Thank u @KellySawyer 4 spoiling me rotten
on my Bday! Love you! Xoxo'

The Californian belle also proved
that venturing into her thirties won't be interfering with her wild
child antics, as she went under the needle to re-pierce a hole in her
ear that had closed up over time.

Age ain't nothin' but a number: Jessica opts for one candle instead of revealing her true number of years

Age ain't nothin' but a number: Jessica opts for one candle instead of revealing her true number of years

Only girls allowed: Jessica celebrates her special day with her friend Kelly Sawyer

Only girls allowed: Jessica celebrates her special day with her friend Kelly Sawyer

She tweeted: 'Getting my second pierce repierced!'

But it wasn't only Kelly that got to treat Jessica, with husband Cash Warren helping to celebrate too.

He sent a message to his wife simply
saying 'Happy Birthday my love', with a snapshot of Alba blowing out the
sole candle on her cake.

Special delivery: Jessica juggles balloons and flowers with her morning coffee outside her office

Special delivery: Jessica juggles balloons and flowers with her morning coffee outside her office