Always a supermodel! Alessandra Ambrosio sizzles in sexy black swim suit as she poses by a pool for a pal

She's more than at home in front of the cameras.

And on Saturday, Alessandra Ambrosio seemed happy to pose as a pal took cell phone snaps of her beside a pool in Santa Catarina in her native Brazil.

The 35-year-old supermodel sizzled in a black swim suit consisting of a narrow panel of material down the front, secured at the back by a complicated string system attached to a teeny bikini-style bottom.

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Poolside pose: Ever the model, Alessandra posed for a pal in a skimpy black swim suit beside a pool in Santa Catarina in her native Brazil on New Year's Eve

Not the ideal garment for getting a great tan because of all the lines it would leave, but ideal for showing off Alessandra's toned body.

The snapper, who was wearing colourful striped swimming trunks, captured shots of the brunette beauty lying provocatively on the edge of the pool, and sitting with her feet dangling in the water.

Helped by a gal pal in a cream bikini, he also snapped a booty shot of the celebrity as she stood beside the pool.

Look this way: The 35-year-old supermodel raised her arm above her head as her friend snapped away on the camera of his cell phone

Show your sexy side in a strappy monokini like Alessandra

It looks like all those years as a Victoria's Secret Angel have really paid off for Alessandra Ambrosio. The model turned designer created her own line of swimsuits and ready-to-wear and we can't get enough!

The leggy beauty is often spotted wearing her designs and while on holiday in her native Brazil, she donned an Ale by Alessandra monokini.

We're in love with the strappy back embellished with shells and flattering cut-- a one piece has never been so sexy!

Click right to nab this beauty from Neiman Marcus or show some equally sexy styles for a fraction of the cost in our edit below!

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Having a laugh: The beautiful brunette is on holiday with her fiancé of eight years, Jamie Mazure, and their two children Noah, four, and Anja, eight, plus other family and friends

Getting a second opinion: A gal pal looked on as the snapper took a booty shot

Alessandra is spending the holidays in Santa Catarina with her fiancé of eight years, Jamie Mazure, and their two children, Noah, four, and Anja, eight.

And they appear to have been joined by other members of her extended family and friends.

On Friday she and her little ones tried their hands at fishing with a net as they waded into the shallow waters outside their beachside home.

Stretching out: Alessandra chatted to a friend who cooled off in the water

Intricate arrangement: The tiny piece of material that made up the front of the swim suit was secured at the back by spaghetti-string straps that also showed off her derriere

Side shot: Alessandra dangled her toes in the water as her pal carried on shooting

She opted for a skimpy yellow bikini as she peered into the water hoping for a catch.

Alessandra also got in a bit of an exercise as she donned a straw hat to hit the Atlantic on a large pedal boat with Jamie, 35, Noah and a couple of pals.

Jamie kicked up his legs on the boat and grinned broadly as he enjoyed some quality time with loved ones. 

Getting her kicks: Alessandra posed on her front in this snap

Time for some exercise: On Friday she donned a yellow bikini and  a straw hat to hit the Atlantic on a large pedal boat with Jamie, 35, Noah and a couple of pals.

In case you haven't seen enough: The cover girl flashed her backside too

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