Kardashians Celebrate Mason's 1st Birthday (PHOTOS)
Kourtney and the doting Kardashian aunties took to their personal blogs to post messages and photos galore of Mason, with Kourt saying: "Happy very first birthday to my little angel Mason! You complete and fulfill my life. This year with you has been more than I could have ever imagined."
Kim seconded that emotion, writing that "little Mase has changed my life." Khloe gushed that she "can't believe it's been a year since this perfect little person came into our lives." Click through to coo over Mason's first year with photos from the Kardashian family album. Tell us in the comments - which precious Mason shot is your favorite?