This is so sweet of her.
Rob Kardashian has been going through a rough patch in his life and his baby sister Kylie Jenner wants him to know that she still loves him.
[ Related: Kris Jenner Is Afraid Rob Is 'Gonna Die' & Reveals Plans to Help Him ]
The 17-year-old reality star shared this precious throwback picture of her big brother up close and personal on Instagram.
"My best friend, my heart, my brother"
Obviously, their family is divided in terms of how they're treating Rob.
Kim Kardashian West is the one bringing down the hammer on her baby bro, but Khloe and Kyles, on the other hand, are both showing him as much love as they can.
[ Related: Khloe Says She'll Always Be Rob's #1 Supporter ]
Whatever it is that Rob is dealing with, he definitely has Kylie on his side.
[Image via Kylie Jenner/Instagram.]
Tags: family, instagram, kylie jenner, love, personal, rob kardashian, support