She’s been in celebration mode since her fiance dropped down to one and proposed in October.

And Kourtney Kardashian had to turn on the defense after a fan criticized her for not showing more of her children on social media.

The 42-year-old reality star was quick to comment when a follower wrote a condescending response to a carousel of pictures with two of her three kids on the beach riding horses for Travis Barker’s birthday in Cabo San Lucas, Mexico.

Mom mode: Kourtney Kardashian had to turn on the defense after a fan criticized her for not showing more of her children on social media

Not so fast: The 42-year-old reality star was quick to comment when a follower wrote a condescending response to a carousel of pictures with two of her three kids on the beach riding horses for Travis Barker’s birthday in Cabo San Lucas, Mexico

‘Oh wow you’re with your kids finally????’ the troll wrote among a host of complimentary notes.

The Poosh blogger was not having any negative talk on her grid and fired back quickly with a response.

‘I’m with my kids every day thank God, social media isn’t always real life,’ she wrote, with nearly 800 likes to follow and even more comments taking her side.

‘Don’t waste your time or energy. We all know you’re a good mom and you’re with your kids,’ @lovealwaysasia wrote.

‘I’m with my kids every day thank God, social media isn’t always real life,’ she wrote, with nearly 800 likes to follow and even more comments taking her side

Family forever: Kourtney shares co-parenting responsibilities of her three children — Mason, Penelope and Reign — with her ex, Scott Disick

‘Weird how some ppl think a woman can’t be with her kids & her fiance,’ another follower wrote.

Another fan wrote: ‘Super weird that someone would try to guilt u for having some healthy adult time.. and even weirder for someone to think your life is just what’s in TV and/or SM.’

Kourtney shares co-parenting responsibilities of her three children — Mason, Penelope and Reign — with her ex, Scott Disick.

Retreat: Kourtney whisked away their blended families to Mexico for a trip to celebrate the Blink 182 drummer’s 46th birthday

Vacation: The group had a blast riding horses on the beach at sunset in the trendy coastal town on the Baja peninsula

She recently became engaged when Travis proposed at the Rosewood Miramar Beach Resort near Santa Barbara after the pair dated for nearly a year.

He shares Landon, 18, and Alabama, 15, with his ex-wife, Shanna Moakler, in addition to her daughter, Atiana, from her previous relationship with Oscar de la Hoya.

Kourtney whisked away their blended families to Mexico for a trip to celebrate the Blink 182 drummer’s 46th birthday.

‘The kids got along well,’ an eyewitness told E! News. ‘Alabama was playing with Reign and really sweet with him. They left Kourtney and Travis alone for some one-on-one time and Alabama took Reign and Penelope to the pool.’

The source added: ‘They all seemed very friendly and like they were having fun together. The younger kids looked up to the older kids and they looked like one big happy family.’

Mom and Dad: She recently became engaged when Travis proposed at the Rosewood Miramar Beach Resort near Santa Barbara after the pair dated for nearly a year