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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.
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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.
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Just a few days before her 33rd birthday, doting mom Kourt keeps up with her sprinting sidekick during a Mexican family getaway April 14.
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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.
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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.
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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.
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Happy birthday, big boy! Kardashian helps her 2-year-old celebrate in style with a cowboy-themed bash Dec. 17 in L.A.
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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.
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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.
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The Kardashian-Disicks stick together after a casual lunch date in L.A. on Jan. 29, 2011.
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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.
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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.
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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.
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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.
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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.