Kourtney Kardashian fans reacted to a snap of the star sitting on a toilet after her husband Travis Barker shared the image in honor of her 45th birthday.  

The Blink-182 drummer, 48, uploaded an assortment of photos on his main Instagram page on Thursday to celebrate his wife’s 45th birthday.

The last image in the post showed the TV personality – who welcomed her fourth child last year in November – flashing a smile while she used the toilet inside a bathroom stall.

Social media users flocked to the comment section on the music artist’s tribute, with one fan typing, ‘What is the last picture? It was going so well. Oh my,’ followed by a skull face emoji.

One added, ‘was not prepared for the last slide,’ while another penned, ‘The last picture make me unlike the post…I don’t understand some things.’

Kourtney Kardashian, 45, sparked humorous reactions from her fans after her husband, Travis Barker, 48, shared a birthday tribute to the star that included a snap of her on the toilet

Social media users flocked to the comment section on the music artist’s tribute, with one fan typing, ‘What is the last picture? It was going so well. Oh my,’ followed by a skull face emoji

One added, ‘was not prepared for the last slide,’ while another penned, ‘The last picture make me unlike the post…I don’t understand some things’

‘The last photo,’ one follower typed, followed by crying face emojis while another wrote, ‘The toilet pic is diabolical.’

One fan expressed, ‘She made about that last slide fasho,’ and one Instagram user added, ‘Feet pics out, piss pics in.’

However, other fans came to the couple’s defense, with one social media user writing, ‘This is what happiness looks like…purely candid with zero shame.’

Another penned, ‘last pic goals,’ while Kourtney’s younger sister, Kylie Jenner, also joined in by typing, ‘last pic for me,’ followed by a laughing face emoji.

The birthday girl herself seemingly was unbothered by the image, and added her own reaction in the comment section by gushing, ‘Husband of my dreams. I love our life!!’

In his post, Barker also included a sweet photo as the couple cuddled close together while seated in a boat on the water. Another image showed Kourtney laying down next to their five-month-old son, Rocky.

The lovebirds also shared a kiss as they stood outside a private jet as the drummer held their baby boy in his arms.

Travis uploaded other pictures that have been taken in the past, such as the star opening a present and sending a funny pose while in the passenger seat of a vehicle.

The Blink-182 drummer uploaded an assortment of photos on his main Instagram page on Thursday to celebrate his wife’s 45th birthday

However, other fans came to the couple’s defense, with one social media user writing, ‘This is what happiness looks like…purely candid with zero shame’

Another penned, ‘last pic goals,’ while Kourtney’s younger sister, Kylie Jenner, also joined in by typing, ‘last pic for me,’ followed by a laughing face emoji

The birthday girl herself seemingly was unbothered by the image, and added her own reaction in the comment section by gushing, ‘Husband of my dreams. I love our life!!’

In the caption, Barker penned, ‘Happy Birthday to my beautiful wife, soulmate and best friend forever. I love you, I love our life together.’

‘Thank you for being the most amazing wife a person could ask for. Here’s to many more years of adventures together,’ he concluded.

Kim Kardashian also helped celebrate her sister’s birthday on Thursday by sharing a photo of herself with Kourtney and Khloe posing on the beach from a recent tropical getaway.

The trio stood on the sandy shore underneath the warm sunshine while sporting stylish, black bikinis.

Social media users also flocked to the comment section of Kim’s post to applaud Kourtney’s confidence and post-partum body.

‘I think Kourtney looks absolutely gorgeous yay for her looking real!!’ a fan wrote, with another adding, ‘Kourt looks so fire postpartum!!!’

‘Idk what yall talking about, kourtneys tummy is the most natural looking out of all of them,’ a follower wrote, with another typing, ‘Kourtney is the MOST interesting to look at! Pure beauty! @travisbarker @kourtneykardash.’

Barker also included a sweet photo as the couple cuddled close together while seated in a boat on the water

Another image showed Kourtney laying down next to their five-month-old son, Rocky

The lovebirds also shared a kiss as they stood outside a private jet as the drummer held their baby boy in his arms

Kim Kardashian also helped celebrate her sister’s birthday on Thursday by sharing a photo of herself with Kourtney and Khloe posing on the beach from a recent tropical getaway

Social media users also flocked to the comment section of Kim’s post to applaud Kourtney’s confidence and post-partum body

‘Idk what yall talking about, kourtneys tummy is the most natural looking out of all of them,’ a follower wrote, with another typing, ‘Kourtney is the MOST interesting to look at! Pure beauty! @travisbarker @kourtneykardash’

The reality star herself defended the SKIMS founder by responding to a fan who claimed Kourtney would not be a fan of the photo.

The Instagram user had written, ‘Now you know she’s not going to like this photo… lol it’s her bday Kim… lol.’

However, Kourtney replied, ‘I LOVE this photo! It is me and my sisters having the best time on a trip with our kids…and the memories to last forever! And I LOVE this body that gave me my 3 big babies and my little baby boy.’

Khloe also took time to send her birthday wishes to her sister, and penned a lengthy tribute alongside various throwback snaps.

The reality star herself defended the SKIMS founder by responding to a fan who claimed Kourtney would not be a fan of the photo

Khloe also took time to send her birthday wishes to her sister, and penned a lengthy tribute alongside various throwback snaps

Her mother, Kris Jenner, also took to Instagram as she wished a happy birthday to her ‘firstborn babydoll Kourtney’

A few days before turning 45, the TV personality also jumped to her main Instagram page earlier this week to share a carousel of snaps and clips

Her mother, Kris Jenner, also took to Instagram as she wished a happy birthday to her ‘firstborn babydoll Kourtney.’

A few days before turning 45, the TV personality jumped to her main Instagram page earlier this week to share a carousel of snaps and clips.

Most of the slides showed the various, sugary cakes that she has been able to indulge in for her birthday, as well as a few throwback pictures.

In the caption of the latest post from the reality star, she simply penned to her fans and followers, ‘mood,’ followed by a red balloon emoji.