‘This Is Us’ Star Lonnie Chavis Shuts Down Bullies For Ridiculing the Gap in His Teeth‘This Is Us’ Star Lonnie Chavis Shuts Down Bullies For Ridiculing the Gap in His Teeth'Braces can fix this, but like, can you fix your heart, though?' the 10-year-old asks.Katrina NattressKatrina Nattress