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

Getty | Matt Winkelmeyer

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.

01

When They Actually Referred to Each Other as "Dad" and "Son"

02
When They Let Mandy Moore Get In on the Fun
Getty | Taylor Hill

When They Let Mandy Moore Get In on the Fun

03

When They Had Each Other's Backs . . . Literally

04
When They Took This Sweet Family Photo
Getty | Alberto E. Rodriguez

When They Took This Sweet Family Photo

05

When They Adorably Messed Up While Presenting at the Critics' Choice Awards

06
When They Clowned Around on Red Nose Day
Getty | Gregg DeGuire

When They Clowned Around on Red Nose Day

08
When They Toasted to Their Amazing Friendship
Getty | Mark Davis

When They Toasted to Their Amazing Friendship

09

When Sterling's Performance Moved Milo to Tears

10
When They Suited Up For a Guys' Night Out

When They Suited Up For a Guys' Night Out