PDA at the pumpkin patch! Heidi and Spencer Pratt dress newborn baby son Gunner in a cute Halloween outfit as they enjoy a family day out

They welcomed their son Gunner Stone to the world just three weeks ago on October 1.

And Heidi Montag and Spencer Pratt took the tiny tot to visit his very first pumpkin patch near their home in the Los Angeles neighborhood of Pacific Palisades on Sunday.

The loved-up couple kissed and cuddled as they held little Gunner, who was appropriately dressed for the fall season in a Halloween-themed outfit.

Festive fun: Heidi Montag and Spencer Pratt took newborn baby Gunner to his first pumpkin patch near their home in the Los Angeles neighborhood of Pacific Palisades on Sunday

Festive fun: Heidi Montag and Spencer Pratt took newborn baby Gunner to his first pumpkin patch near their home in the Los Angeles neighborhood of Pacific Palisades on Sunday

Sporting a shock of blond hair like his dad, the newborn looked adorable in an orange onesie with a smiling pumpkin on the front, matching knitted bootees and hat plus white sweat pants.

Heidi, 31, went for a red and blue flannel plaid blouse and skinny jeans that she tucked into grey ankle boots.

The former The Hills star left her long blonde hair to cascade over her shoulders, while opting for minimal make-up.

Spencer, 34, was decked out in a black T-shirt, black jeans and grey and black sneakers as he took his turn cradling his little boy while Heidi chose two smallish pumpkins.

Their little pumpkin: The loved-up couple kissed and cuddled as they held little Gunner, who was appropriately dressed for the fall season in a Halloween-themed outfit 

Their little pumpkin: The loved-up couple kissed and cuddled as they held little Gunner, who was appropriately dressed for the fall season in a Halloween-themed outfit 

Happy family: Sporting a shock of blond hair like his dad, the newborn looked adorable in an orange onesie with a smiling pumpkin on the front and matching knitted bootees 

Happy family: Sporting a shock of blond hair like his dad, the newborn looked adorable in an orange onesie with a smiling pumpkin on the front and matching knitted bootees 

Scarecrows on patrol: New mom Heidi was dressed for the fall in a red and blue flannel plaid blouse and skinny jeans that she tucked into grey ankle boots.

Scarecrows on patrol: New mom Heidi was dressed for the fall in a red and blue flannel plaid blouse and skinny jeans that she tucked into grey ankle boots.

Gunner seemed fascinated by the brightly colored veggies, looking at a small one that Heidi held up for him to see.

Spencer later picked out a much bigger one as he handed over Gunner to Heidi, before stopping for a snap in front of a giant pumpkin hoarding.

Meanwhile, the proud mom first showed off her post-baby body in a series of Snapchat videos showing the family's lazy Saturday.

Heidi looked comfortable in a turquoise T-shirt and grey sweatpants as she made coffee in the kitchen while Spencer cuddled their newborn.

What a beautiful pair: The former The Hills star clutched two pumpkins while  Spencer entertained Gunner

What a beautiful pair: The former The Hills star clutched two pumpkins while  Spencer entertained Gunner

Going up a size: The star's pumpkins weren't big enough so Spencer chose a larger one

Going up a size: The star's pumpkins weren't big enough so Spencer chose a larger one

Kodak moment: The new family also posed for a snap in front of a giant pumpkin hoarding

Kodak moment: The new family also posed for a snap in front of a giant pumpkin hoarding

He was totally relaxed in a matching turquoise vest as he lounged in a black leather chair with his son fast asleep on his chest, wrapped in a grey blanket.

'My favorite thing to do is just have little homie lie on my chest,' Spencer said. 'The little moments are the most precious.' 

The new parents also danced and sang along to Heidi's pal Taylor Swift’s Look What You Made Me Do in one of the clips

They earlier explained why they chosen Gunner's unusual name, saying he will probably be a pitcher or a skier so the name 'applies to a lot of sports.' 

Selfie fun: The proud father was dressed in black from head to toe as he snapped selfies with his wife and newborn baby son 

Selfie fun: The proud father was dressed in black from head to toe as he snapped selfies with his wife and newborn baby son 

Longtime loves: Heidi and Spencer, who have been married for nine years, famously met on iconic reality show The Hills, which ran from 2006 until 2010.

Longtime loves: Heidi and Spencer, who have been married for nine years, famously met on iconic reality show The Hills, which ran from 2006 until 2010.

Heidi and Spencer, who have been married for nine years, famously met on iconic reality show The Hills that ran from 2006 until 2010.

They eloped to Mexico in November 2008, before hosting a wedding ceremony in Pasadena, California, in April 2009. 

Heidi admitted she was 'overwhelmed with joy' at being a mother in an interview with US Weekly magazine earlier this month. 

She said: 'I'm feeling great. I'm so overwhelmed with joy. I find myself crying just looking at him.

'It was probably the best possible labor. I wanted to do it naturally so I didn't get an epidural.' 

First look: Heidi showed off her post-baby body for the first time in a series of Snapchat videos showing her making coffee on the family's lazy Saturday

First look: Heidi showed off her post-baby body for the first time in a series of Snapchat videos showing her making coffee on the family's lazy Saturday

Enjoying a cuppa: Spencer shared an image of his beautiful wife in a turquoise T-shirt and grey sweat pants

Enjoying a cuppa: Spencer shared an image of his beautiful wife in a turquoise T-shirt and grey sweat pants

Bonding with his boy: 'My favorite thing to do is just have little homie lie on my chest,' Spencer said. 'The little moments are the most precious'

Bonding with his boy: 'My favorite thing to do is just have little homie lie on my chest,' Spencer said. 'The little moments are the most precious'

 

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