- Kylie Jenner and Kim Kardashian each have hundreds of millions of Instagram followers.
- Jenner's previous criticism of Snapchat caused the shares of parent Snap to drop 7%.
Celebrity sisters Kylie Jenner and Kim Kardashian criticized Instagram on Monday, urging the app to stop mimicking rival TikTok.
To their hundreds of millions of Instagram followers, Jenner and Kardashian posted a message that read, "Make Instagram Instagram Again."
"Stop trying to be tiktok I just want to see cute photos of my friends," the post said.
Meta shares were relatively flat in after-hours trading.
Instagram did not immediately respond to CNBC's request for comment.