Beach babe! New mum Kristy Hinze-Clark shows off post baby body in chic one shoulder swimsuit as she enjoys day in the waves with her girls

She welcomed her second child with her 70-year-old billionaire husband Jim Clark, in September.

And making the most of her time with her newly expanded brood, Kristy Hinze popped down to Sydney's Nielsen Park beach for a day of fun in the sun.

The 35-year-old mum was spotted frolicking in the shallows with her three-year-old daughter Dylan last month, showing off her post-pregnancy figure in a chic one-shoulder swimsuit

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Sunny: New mum Kristy Hinze-Clark shows off her post-pregnancy figure on the beach in Sydney last month

Sunny: New mum Kristy Hinze-Clark shows off her post-pregnancy figure on the beach in Sydney last month

The former clothes horse showed off her model credentials, looking stylish in the snake-skin patterned one-piece which she teamed with a statement pair of sunglasses.

Her blonde locks were swept back into a low bun and she sported a polished red manicure.

Kristy was accompanied by a male friend who securely held onto both of Dylan's hands as the waves lapped at their feet by the water's edge.

Sure to be sun safe, the youngster was dressed in a turquoise rash vest and matching hat which she wore with a frilly pair of bottoms.

Family time: The 35-year-old former Sports Illustrated model was seen frolicking in the shallows of Nielsen Park beach with her three-year-old daughter Dylan and a friend

Family time: The 35-year-old former Sports Illustrated model was seen frolicking in the shallows of Nielsen Park beach with her three-year-old daughter Dylan and a friend

Model credentials: The mother-of-two looked chic in a snake-skin patterned one-piece
Model credentials: The mother-of-two looked chic in a snake-skin patterned one-piece

Model credentials: The mother-of-two looked chic in a snakeskin patterned one-piece swimsuit 

Chic: She wore the one-shoulder design with a pair of statement shades with gold frames to protect her eyes 

Chic: She wore the one-shoulder design with a pair of statement shades with gold frames to protect her eyes 

A pink floatie was fastened across her back but she was careful not to wonder away from her mother's watchful eye.

Kristy's newest-born, four-month-old daughter Harper, was sitting far from the breaking waves in the arms of a friend on the shore.

She was later joined by her mother under the shade of a large umbrella while a box of playthings was also on hand to help entertain Dylan.

Earlier in the morning, the group went for a stroll with Kristy covering up a white crochet dress perfect for the warm summer weather.

She was seen pushing Dylan, who was tucking into a refreshing icy pole, in a stroller.

Swept back: Kristy pulled her blonde locks into a low bun as she ducked into the waves
Swept back: Kristy pulled her blonde locks into a low bun as she ducked into the waves

Swept back: Kristy pulled her blonde locks into a low bun as she ducked into the waves

Protected: Young Dylan was sun safe in a rash vest and hat while a pink floatie was tied around her back

Protected: Young Dylan was sun safe in a rash vest and hat while a pink floatie was tied around her back

Last week Kristy decided to pull out of the Sydney to Hobart yacht race which she was scheduled to compete in alongside her Texan husband Jim.

A weather forecast of strong southerly winds of up to 30 knots dissuaded the Sports Illustrated model from climbing aboard the mammoth state-of-the-art super-maxi boat, Comanche, which the couple are part-owners of.

'Kristy has decided to pass on this trip due to the weather forecast for the first part of the race combined with mothering duties, with a four-month-old and a three-year-old,' Comanche skipper Ken Read told AAP at the time.

'It seems like a smart choice to me, although her competitive nature didn't bring her to this decision easily.' 

On dry land: Kristy's four-month-old daughter sat away from the waves in the arms of a friend

On dry land: Kristy's four-month-old daughter sat away from the waves in the arms of a friend

Catch up: The girls caught up for a chat on the shore

Catch up: The girls caught up for a chat on the shore

Cute: Earlier in the day Kristy was seen pushing Dylan along in a stroller

Cute: Earlier in the day Kristy was seen pushing Dylan along in a stroller

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