Jessica Alba slips into a white cocktail dress as she takes a break from her Amalfi Coast holiday to open the 2012 Giffoni Film Festival


Effortlessly chic: Jessica Alba slips into a white cocktail dress to open a children's film festival in Italy

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UPDATED:

01:07 GMT, 15 July 2012

It was technically a day of work.

But Jessica Alba admitted to having a great time as she headlined the Giffoni Film Festival in Italy today.

Looking effortlessly elegant, the stunning actress walked the red carpet of the world's biggest children's film festival in a white cocktail dress with tan trim.

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Effortless style: Jessica Alba walked the red carpet of the Giffoni Film Festival in Italy today

'I had such an amazing time #giffoni2012,' tweeted the actress immediately after the red carpet event.

Smiling for the cameras, the Fantastic Four actress showed off her European tan, the result of the week spent on holiday in Italy.

She wore her dark hair parted down the middle and pulled back from her face in a simple pony tail.

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Red carpet ready: The Sin City actress looked fantastic in a white cocktail dress with tan trim

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Holiday break: The 31-year-old mother of two took a break from her Amalfi Coast vacation to headline the event, which is the world's biggest children's film festival

Her jewellery was equally simple but effective: diamond studs paired with large gold hoop earrings.

Jessica's strappy heels picked up the tan colour of her dress trim and spaghetti belt, which was tied loosely at the back of her waist.

The 31-year-old mother of two has been on holiday in Italy this week with her children and mother Catherine.

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Star attraction: The Fantastic Four actress was a big draw at the festival

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Whirlwind month: This is Jessica's second trip to Europe this month, having already attended the Versace Haute Couture show in Paris in the first week of July

Jessica has been tweeting up a storm during her European vacation, sending regular photographs of her Amalfi Coast adventures to her more than three-and-a-half million followers on the social network site.

In addition to tweeting a photo of herself on stage at the opening of today's film festival, the Hollywood A-lister also posted a photo taken as she sat in the back of a boat, heading to the red-carpet event.

'Channeling Jackie O,' she wrote above the photo, which showed her decked out in a bright orange and pink strapless top and matching head scarf.

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Having a ball: The Giffoni Film Festival was no doubt scheduled as work time, but the actress admitted to having an 'amazing time'

And in a third Twiiter photo posted yesterday, the stunning actress sits at the bow of another boat against the stunning back drop of the Amalfi Coast cliffs.

Looking terrific as ever, the Machete star wore a white cotton singlet top and full-length lemon skirt, her face shielded from the sun by a large white hat.

It is the actress's second trip to Europe this month, having attended the Versace Haute Couture show in Paris in the first week of July, where she wowed onlookers in a stunning strapless beaded leather dress.

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Twitter happy: The Machete actress has been posting to her social media site regularly during the course of her European holiday

It's been a whirlwind past few weeks
for the Sin City actress, who last month wrapped filming the action
exploitation film Machete Kills.

The movie, which has been shooting in Texas, is a sequel to director Robert Rodriguez's 2010′s cult favourite Machete.

Alba, who appeared in the first film, is reprising her role as U.S. immigration Agent Sartana Rivera.

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Iconic: Alba admitted to channeling Jackie O in this Twitter photo

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Elegant: The Hollywood A-lister rarely puts a foot wrong in the fashion department, and her Amalfi Coast holiday is proving no exception