The boys' aunt Khloé Kardashian wrote: "I still can't believe they are born on the same day," as Kim Kardashian added: "Happy Birthday Mason and Reign. I love youuuuuuu." Others followed suit ...

Khloé Kardashian wrote in the comments, “I still can’t believe they are born on the same day,” with Kim Kardashian adding," Happy Birthday Mason and Reign. I love youuuuuuu." READ Why ...

Just kidding, love u more than life young blood, happy bday son!” Kardashian also shared a birthday tribute to her sons on Instagram. Her post included a picture of Mason giving his younger ...