“Happy 25th birthday to my wonderful, handsome son, Rob!!” Kris wrote. “Rob, you are the best son a mother could ask for and you make me proud every day. I love you so much!!”
Rob’s sister Kourtney Kardashian also posted a few family pics, including a couple of her brother and her 2-year-old son Mason: “Sending lots of love to my baby brother Rob today on his 25th birthday!! Rob, I am so proud of the man you have become. Here’s to an amazing 25th birthday… I love you so much!” she gushed.