10 Times Milo Ventimiglia and Sterling K. Brown Acted Like Father and Son IRL

Milo Ventimiglia and Sterling K. Brown play father and son on This Is Us, but their offscreen relationship is just as sweet. Aside from their various appearances together during award season, the two have been known to make us giggle with their interactions on social media. Let's just say, Milo takes his dad role very seriously. See their sweetest moments ahead.

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