Kourtney Kardashian, the oldest of the 3 Kardashian girls, took her 1-year-old son Mason Disick out for a mommy-and-me day of fun at a park in Beverly Hills Saturday afternoon (Jan 22). The mother/son duo had huge smiles on their faces as they played on swings and slides, and had a picnic with some of Kourtney’s friends and their kids.

In related news, Kourtney’s new reality TV show with her sister Kim Kardashian, titled “Kourtney & Kim Take New York” premieres on E! tonight at 10 pm.

“Omg I can’t believe Kourtney and Kim Take New York airs tomorrow!! I’m so excited to watch! LOL!” Kourtney tweeted yesterday.

Check out lots of pics (about 10+) of Kourtney and Baby Mason hanging out at the park below!

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