This Is Us Video: Mandy Moore Celebrates the Big Three's Birthday With a Pearson Family Bake Off

Birthdays are big deals on the set of This Is Us -- especially when they happen in threes. Mandy Moore on Thursday tweeted an video of herself celebrating the birth of the Big Three -- aka the Pearsons, played by Chrissy Metz, Sterling K. Brown and Justin Hartley -- with a little help from their […]