Kourtney Kardashian Celebrates Her First Mother's Day!

Reality star and celebutante Kourtney Kardashian recently celebrated her first Mother's Day! In a post on her web site and reported on Us, Kourtney spoke eloquently on the love she has for her 4-month-old son, Mason: "My entire life has new meaning thanks to my perfect little Mason. I also have a new incredible respect for moms, including my own. Being a mom is empowering, selfless, beautiful…so own up to it!"

Her younger sister Khloe also publicly congratulated Kourtney, commenting on her transformation to a mother: "I have loved every minute of watching your transformation from crazy Kourt to loving mommy, and Mason is so lucky to have you. I feel truly blessed that I got to witness this beautiful transition in your life."