America's Got Talent contestant Matt O'Brien, a comedian originally from Toronto, left the judges laughing on Tuesday's episode, joking about how he was glad that he was married and not single. Then

Kelley Mack, an American TV actress who appeared in AMC's "The Walking Dead," "9-1-1" and "Chicago Med," died on Aug. 2. She was 33. Her family reported in a statement that Mack died in her hometown