Kourtney Kardashian donned husband Travis Barker‘s socks and boxers as she posed in a 𝑠e𝑥y gown in a new Instagram post on Thursday.

The reality star, 46, looked delighted as she showed off the clothing items in a few behind-the-scenes snaps as she filmed the third season of The Kardashians.

The beauty wowed in a pink, backless dress, showcasing her stunning physique and curves after recently opening up about her newfound body confidence following weight gain during a long IVF journey.

Cute: Kourtney Kardashian donned husband Travis Barker’s socks and boxers as she posed in a 𝑠e𝑥y gown in a new Instagram post on Thursday

Loving her new body: The Poosh founder recently discussed how she learned to embrace her ‘thicker’ frame after IVF weight gain and declared she is proud of her ‘amazing a**’

The TV personality uploaded a series of photos to give her 201 million fans and followers a glimpse of her getting ready for the third season of the hit Hulu series.

‘Rolling into season 5 of The Kardashians in husband’s boxers and socks with my dress…,’ the businesswoman typed in the caption.

In one photo, Kourtney could be seen posing in front of an off-white wall with one foot up in the air behind her, as she flaunted a pair of her husband’s Vetement socks.

The black, yellow and white socks were worn along with a long, light pink dress that clung to the star’s fit physique and curves.

Posing: The reality star took a few snaps in a pink dress, showing off some of her recent cupping scars

Big smile: Kourtney kicked up her leg to show another glimpse of Travis’s Vetement socks and boxers that she donned

Having fun: In one of the pictures, the star could be seen lounging on the back of a couch in a behind the scenes look of the third season of The Kardashians

The long-sleeved, fashionable dress fell down towards the floor on the left side, while the right portion contained a high slit.

The beauty lounged on top of a couch while camera and stage lights were set up behind her as she prepared to shoot a scene for the reality show.

Kourtney flashed her glistening wedding as she quickly posed for the photo.

Miserable: In last weeks episode of The Kardashians,  Kourtney – pictured above in old photographs from when she weighed just 95lbs – said she was unhappy at her at her thinnest. She explained: ‘When I was super skinny, it’s like a time I was super anxious, not about eating, not about staying at a certain weight, but like just in like toxic relationships’

In another close-up snap, the star showed off the back portion of the gown, which was secured and held up with a heart-shaped silver chain towards the bottom.

The backless side revealed some of her recent cupping scars from the therapy procedure.

Cupping is a current popular form of alternative medicine that aims to help ease and manage pain, blood flow, inflammation, and promote relaxation, as reported by WebMD.

Her dark hair was parted in the middle, and fell down straight with the tips lightly brushing her shoulders.

In another photo, Kourtney adorably flaunted her husband’s socks and a glimpse of his boxers under the pink dress as posed for an additional snap.

The star also shared a short clip in which she was balancing on the back of the couch, and accidently fell over. The Poosh founder laughed over the fall with others on set.

The last snap the media influencer uploaded was a mirror selfie that she took with a digital camera.

The beauty opened up on a recent episode of The Kardashians about her IVF journey and the resulting weight gain she has experienced.

Confident: Despite her weight gain with IVF, Kourtney explained on a recent episode of The Kardashians that she is ‘into my thicker body’

Fun on set: While the crew finished setting up the sound stage for recording a scene, Kourtney could be seen balancing on the back of a couch

Whoops! As the star filmed a clip of herself trying to stay on the small back of a couch on set, she accidently fell over and shared a laugh on set

Kourtney further explained that Travis has been her constant and biggest supporter. ‘If I make one complaint, he’s like, ‘You’re perfect. You’re so fine … You’ve never been better.’

She also expressed, ‘Eight months of IVF treatment has definitely taken a toll on my body mentally and physically. And I think it’s  taken a lot to get me to the place of feeling really comfortable and happy with the changes.’

Kourtney added during the third episode of season two, ‘Having a partner who is so supportive of me and always complimenting me, no matter what, it’s just helped me to really embrace the changes and actually to the point where I love the changes now.’

Alongside her focus on family, the businesswoman recently launched her new supplemental vitamin line called, Lemme, last month on September 27.

The new gummies contain Chill, Focus, Matcha, and recently added Debloat. The star announced Wednesday on her Instagram that the Matcha line had already sold out.

Memorable moments: The star herself took photos from the set, including a mirror selfie she snapped with a digital camera

Getting ready: Kourtney was seen getting her hair and makeup completed before filming for an episode

Big supporter: On episode three of the second season of The Kardashians, Kourtney expressed that her husband, Travis, has continued to support her during IVF journey