Out of nowhere, Milo Ventimiglia, Mandy Moore and the rest of the stars of This Is Us showed up this fall and stole our hearts when we weren't even looking. And that undeniable chemistry that the cast exudes on screen is just as powerful when cameras aren't rolling on the NBC hit. Luckily for us, the stars love giving us a look into their lively downtime.
This is This Is Us, behind the scenes...