Mason Disick is receiving a lot of love on his birthday!
"Happy Birthday to my most precious angel who has forever changed my heart," Kourtney, 33, wrote on her website Friday. "I will never forget the day you entered my life, three years ago. It is an honor and a joy to watch you grow every day."
Since the family the currently in Miami filming Kourtney & Kim Take Miami, the proud mom tells Us Weekly she plans on throwing a party with all of Mason's friends when they're back in Los Angeles.
But Friday, the family will take the birthday boy out to dinner. "I got a cute cake and everyone got him little presents, so we'll just do something fun like that," Kourtney tells Us. Kourtney and Disick also took their son to the Gold Coast Railroad Museum and went on a train ride.
The reality starlet's sister Kim Kardashian is already in a party mood.
"Do I go wake up Mason now for some birthday kisses?" Kim, 32, tweeted Friday. She later shared an adorable photo of Mason sitting in her lap while they're both wearing pajamas. "My birthday boy!" she captioned the shot.
Kim, known as Aunt KiKi to Mason, also wrote a sweet note to her nephew on her website.
"I can't believe Mason is turning three today! He has changed my world in so many ways and I am amazed every day by him," she said. "He is the world's greatest big brother to Penelope and the most loving nephew any aunt could ask for. Happy birthday Mase, love Aunt KiKi."
This article originally appeared on Usmagazine.com: Kourtney Kardashian: How We're Celebrating Mason's Third Birthday
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