Kourtney Kardashian and Travis Barker have a lot more to celebrate this Halloweekend beyond the spooky holiday – it's also their son's birthday ! The couple share their son Rocky 13 Barker, who celebrated his 2nd birthday on Saturday, November 1 . They each share children with their former partners, Travis welcoming Landon and Alabama with ex-wife Shanna Moakler (and also being a father to her daughter Atiana De La Hoya), and Kourtney welcoming Mason , Reign and Penelope with ex-boyfriend and Kardashian family favorite Scott Disick.

The Blink-182 drummer, 49, took to his Instagram page with an adorable photo of their toddler dressed in a pair of baggy beige sweats, a jersey with the number "13" on it, and a baseball cap with his long brown locks poking out underneath , making

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