"The first pic I posted of you in the bikini after you gave birth to Rob is MAJOR GOALS!!!," Kim captioned the post, which she shared on both Instagram and Twitter. "Always in everything you do!!!!!"
While many fans fawned over the pic, others criticized the KKW Beauty founder as they claimed she was applauding Kris' toned physique.
"What a deep and meaningful message she sent to you. Stay thin. That's all," a Twitter user wrote.
"Tell what you love about your mom," another tweeted. "Is it her caring? Her understanding? Her boundless love for you? Nope, she got skinny and tan after four babies!! GOALS."
"Why do we base GOALS on how skinny a woman can get after birthing a human?" another critic said.
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When one user added that "being skinny isn't goals, being a good person is," several fans came to Kim's defense, saying it's okay if someone wants to be thin.
"She said in everything she does," a fan replied to the hater. "Even if it was just about being skinny that's someone else's goal... you're trying to be a good person and thats your goal...stay in your lane."