You are irritating yet cute! 38. "Here’s to my younger brother, who never fails to bring joy, laughter, and mischief into my life. Happy Birthday!" Always keep your child-like innocence alive!

“Happy Birthday to my amazing brother @BarronHilton ... throwback photos from the siblings’ childhood, along with a cute clip of a baby Barron playing with Paris’ pet hamster one Christmas.

Rob Kardashian has turned 38 on March 17, and the Kardashian clan is making all efforts to make his big day even more special ...