MEET THE FAMILY
A week before welcoming daughter Penelope Scotland (born July 8), an expectant Kourtney spends quality time with 2-year-old cutie Mason and boyfriend Scott in Calabasas, Calif., on June 30.
JUST THE TWO OF US
Do you see what I see? A color-coordinated Kourtney and Mason sport matching sunglasses May 22 while taking a nature walk through Calabasas Commons.
Just a few days before her 33rd birthday, doting mom Kourt keeps up with her sprinting sidekick during a Mexican family getaway April 14.
The expectant parents leave Mason at home for an April 23 date night to celebrate the opening of Disick's new Japanese eatery Ryu in New York City.
FOLLOW THE LEADER
He's the boss! The active 2-year-old shows his mom and dad how to have fun during a sun- and sand-filled visit to a Mexican beach Feb. 5.
Happy holidays! Dapper little dude Mason, 2, takes a seat on Santa's lap alongside Mom and Dad during a Christmas Eve family holiday party at the Jenner family's L.A.-area home in 2011.
Happy birthday, big boy! Kardashian helps her 2-year-old celebrate in style with a cowboy-themed bash Dec. 17 in L.A.
LET IT SLIDE
It's all downhill from here! The mother-son duo prepare for a swift ride down a slide during a Sept. 2 visit to an N.Y.C. playground.
WET & WILD
We have lift-off! Disick and his sun-kissed sweetie, 16 months, soak up plenty of pool time May 1 during a family vacation to Bora Bora.
The Kardashian-Disicks stick together after a casual lunch date in L.A. on Jan. 29, 2011.
Is he searching for seashells? The reality star holds tight to her little explorer, 1, during a Jan. 2 seaside stroll with Disick in Miami.
Look who's all grown up! The hands-on parents help their big boy celebrate his first birthday with a bash in Calabasas, Calif., on Dec. 12, 2010.
IN THE SPIRIT
Ahoy, mateys! The pirate and her cuddly little sea creature, 10-month-old son Mason, score some treats while celebrating his first Halloween in New York City.
Looks like parenthood suits them! Disick plants a sweet smooch on girlfriend Kardashian while stepping out in the Big Apple with their 6-month-old on July 28.
The new mom holds her baby boy, 3 months, close during a March 18 outing in Miami. Adjusting to parenthood has been bliss for the reality star, who admitted, "There's nothing I'd rather do than be home with Mason and Scott."
The E! stars welcome their first child, Mason Dash Disick, on Dec. 14, 2009, in Los Angeles. "He has brought more love and joy into my life than I ever imagined," Kardashian gushed to PEOPLE about her baby boy.