Kim Kardashian looks slimmer than ever as she parades her body in plunging leather corset dress at family dinner after passing her post-baby weight goal 

She has been documenting her weight loss since the birth of her son Saint in December and has announced she's more than reached her goal after losing a huge 70 pounds. 

And Kim Kardashian showed off her banging body when she attended her Grandma MJ's 82nd birthday dinner with the rest of her family in San Diego on Tuesday night.

Holding hands with her daughter North, the 35-year-old wife of Kanye West wore a plunging black corset dress complete with leather skirt. 

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Wow: She's more than reached her post-baby goal weight after weighing in at 120lbs and Kim Kardashian showed off her slender frame at Grandma MJ's 82nd family birthday dinner in San Diego on Tuesday night

So cute: Holding hands with her daughter North, the 35-year-old wife of Kanye West wore a plunging black corset dress complete with leather skirt section

Kopy Kim in heels by Manolo Blahnik

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Kim Kardashian is looking incredible.

The reality television starlet has been working hard to get back into pre-baby shape and all her efforts have certainly paid off. Check her out in this leather mini and corset. Sure, the look is a bit 'Medieval Wench' but she's killing it.

And as ever Kim finished off her outfit with a pair of designer sandals by one of her favourites; Manolo Blahnik. These 'Estro' heels are super sexy with their slender stiletto, perspex toe strap and wrap around ankle ties and while they're not available in pink we have found them in black at Barneys.

So click (right) to snap up a pair to steal Kim's style or stick to pink with our edit of similar sandals below. Missguided, Public Desire, Michael Kors and Bionda Castana have all got pretty picks in varying sugary shades.

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The raven-haired beauty, announced she now weighs 120lbs after a strict health and fitness drive, surpassing her goal weight of 135 pounds.

The top section of her dress had some ruching and a split down the front which highlighted her ample assets, with a tight leather skirt section which clung to her peachy posterior. 

She wore a leather cord around her neck as a choker, which she tied into a knot and wore her locks in a slicked back high ponytail. 

She did it! The raven-haired beauty, announced she now weighs 120lbs after a strict health and fitness drive, surpassing her goal weight of 135 pounds

Be quiet! Adding some height to her frame, she wore a pair of sky high pink strappy high heels which had sexy ankle straps and a perspex front section as North continued to cover her ears 

Back on track: As well as Kim's famous family, also present was pregnant Blac Chyna, who is expecting a baby with Kim's brother Rob

Adding some height to her frame, she wore a pair of sky high pink strappy high heels which had sexy ankle straps and a perspex front section. 

Daughter North, three wore a cute pink dress and high-top Converse trainers and put her hands over her ears as she left the restaurant as it was a little noisy for her. 

As well as Kim's famous family, also present was pregnant Blac Chyna, who is expecting a baby with Kim's brother Rob. 

She's got the look: She wore a leather cord around her neck as a choker, which she tied into a knot and wore her locks in a slicked back high ponytail

Sweet: Kim's friendship with Chyna appears to be back on track as she is well and truly back in the family fold 

Chyna's reported spat with fiance Rob the past couple of days saw each 'unfollowing' the other on social media.

The rift was caused by the Kardashian heir discovering 'suspicious texts' on his fiancee's phone, according to reports, but the split was temporary with the two re-following each other 48 hours later.

And Chyna's presence at the big family get together is proof that things appear to be back on track. 

Cute as can be: North looked sweet in a bright pink negligee style dress topped off with Converse trainers

Yummy mummy: Kim certainly knows how to make an entrance, arriving in style in her skint-tight leather dress

Meanwhile, seven months after his birth, Kim has obviously decided it's time to share her darling second born with the world.

The proud mother showed off her handsome boy on a family outing on Tuesday - a moment caught on camera, of course, for their E! reality TV show Keeping Up With The Kardashians.

The big debut! Kim showed off baby Saint for the first time on family outing with big sister North and aunts Khloe and Kourtney in San Diego on Tuesday 

Say cheese! It's clear the beautiful baby is every bit as photogenic as his older sister North West

Joining big sister North, three, and his cousins - Kourtney's three children; Mason, six, Penelope, four, and 19-month-old Reign - the smiling baby was at the center of attention on the trip to San Diego.

It was the one of the first times the baby had been seen by fans, who apart from the occasional Instagram snap had previously only caught a rare glimpse of the child.

Saint was passed around by his doting grandmother Kris Jenner, 60, and aunts Khloe, 32, and Kourtney, 37, on the trip, which came as the group visited Kris' mother Mary Jo 'MJ' Campbell, 81, as she opened a new store in the area.

Stepping out: Proud mother Kim took charge of pushing Saint in his stroller

Out and about: It was the first time Kim had taken the baby out and about, apart from a quick glimpse of her son in Cuba and the occasional Instagram snap or Snapchat photo

MJ led the group with every bit as much style as her famous granddaughters, standing out in a canary yellow blazer worn over a grey jumpsuit and paired to a sunhat with large round sunglasses.

From the very eldest to the youngest member of the Kardashian clan, little is yet known about baby Saint.

The outing came days after Kim, who is married to rapper Kanye West, 39, revealed her son was now talking, and that notably his first word was 'Dada', even though she was disappointed that it hadn't been 'Momma'.

Speaking to PEOPLE at MGM Grand's Hakkasan nightclub in Las Vegas on Friday, she said: 'He said "Dada" today, three times and I was like "What?" Kanye was so excited. He was like "I told him to say that." I was like, "I just really wanted him to say Momma first.'''

The 35-year-old has also talked of how daughter North is still struggling to cope with being an older sister, seven months after the arrival of their second born, at Christmas.

Doting grandma: Saint's grandmother Kris Jenner kept a tight grip on the seven-month-old as the family browsed the store

Too cute: Saint cuddled up to his grandma Kris as he checked out all the commotion in the shop

Family time: Proud mom Kim showed off Saint to her grandmother MJ

Balancing baby: The little one pulled funny facial expressions as Kim lovingly stroked his hair

Kim said: 'We talk about North being a big sister all the time. Right now, because she's three, it's time to talk a lot about sharing. And North is great at sharing.

'She's still getting the concept of having a brother, though. Like, Penelope and Reign are her cousins, but Saint is here every day because Saint is her brother.'

Kim is working on the bond between her two children as she wants them to be as close in friendship as they are in age. 

She told Elle.com: 'I like to bring her in to say "Good morning." She still wants things to be all about her, because she's three! But planting that seed every morning that the day starts with you and your brother, that's how I've been doing it. 

Big sister: Kim previously revealed that her daughter North is still adjusting to having a little brother and learning to share

Smile! Four generations of Kardashian women posed for a photo inside the store

Generations: Kim adjusted Saint's hair as his great-grandmother MJ chatted with North and Penelope as the family celebrated her birthday

Holding on: At one point, Corey Gamble was seen holding Kourtney's youngest Reign

'And she's getting so much better. I can't wait until they can really start communicating - although once he's big enough to start grabbing her toys, we'll have to get involved in a different way.'

And Kim believes she's used to siblings fighting over toys because she is one of six, including brother Rob, sisters Kourtney and Khloe and half sisters Kendall and Kylie from Kris' second marriage to the athlete formerly known as Bruce Jenner.

She said: 'Of course that happened with us!'

Kim also recently revealed she is back to her goal weight of 120lbs and she showed off the results of her intense workouts and strict Atkins diet plan as she squeezed her famous curves into a skintight bodysuit. 

Famous curves: Kim, who recently announced she is back at her goal weight of 120lbs after giving birth to Saint in December, wore a skintight black outfit for the family outing

Action! The family filmed KUWTK as they took a road trip to San Diego to celebrate Kris Jenner's mother's new store opening

Skintight: Kim wore a plunging top as she was joined by sisters Kourtney and Khloe Kardashian and Kourtney's ex Scott Disick

Taking the plunge: Kim leaned over to get a better grip on Saint's stroller as she lifted him into their SUV

The 35-year-old reality star added a low-cut, sleeveless top, with a slim black choker necklace and chunky gold pendant. Strappy black heels and over-sized sunglasses completed her look, and she pulled her dark hair up in a high ponytail.

Auntie Khloe held her niece North's hand and later stuck close to Penelope and Mason as the family were trailed by a group of fans, naturally wanting to capture a glimpse.

The 31-year-old wore a sexy leopard-print top, skinny jeans and a long black jacket with classic black heels, celebrating her gym honed curves with extremely figure-hugging garments.

Also joining the family fun was Kris Jenner, who was joined by her 35-year-old boyfriend Corey Gamble, as they gathered together as a full unit for a day out. 

Big sis: North pulled her curls back in a cute top-not and wore a pretty pearl-like necklace as she held hands with her aunt Khloe and cousin Mason

Auntie duties: Khloe was dedicated to her sisters' children, giving big girl North some extra attention

Center of attention: Kourtney's ex Scott Disick hammed it up for the group as Khloe filmed away on her smartphone

Helping hand: Kris was joined by boyfriend Corey Gamble, who carefully carried North across the street

Kris, 61, wore a clingy dress with a bright red pattern and added large sunglasses and black heeled sandals, sharing grand-parenting responsibilities with her younger other half.

Kourtney and her ex-partner Scott Disick, who is the father of her three children but an ex of hers since late 2015, also made the trip to San Deigo to celebrate with the family.

The mother-of-three, 37, looked stylish in a tight olive tank and high-waisted, flared trousers, balancing her youngest son effortlessly on one hip as she walked.

She added chunky Stella McCartney shoes and carried a large black handbag while her close ex-partner followed behind with the other two children in tow.

Kourtney pulled her brunette hair up in a high ponytail like Kim, and added aviators and two gold necklaces. 

Stylish: Kourtney, who looked chic in an olive tank and high-waisted white trousers, held 19-month-old son Reign while out in the city

Reunited: Scott and Kourtney, who split last summer after nine years together, have continued to co-parent their three children Reign, Mason and Penelope 

Cutie: Reign wore a striped white and navy shirt with ripped jeans and sneakers as he got to grips with mom Kourtney

Birthday bash: The famous family headed south to San Diego to celebrate Kris' mother Mary Jo Campbell's birthday and the opening of her new store on Tuesday