Mandy Moore [1] is known for making audiences cry with her role as Rebecca Pearson on This Is Us [2], but on Thursday, she made us tear up for a different reason. During an appearance on The Ellen DeGeneres Show [3], the actress played a hilarious game called "Why Is Mandy Crying?" in which the host tried to guess what Mandy was saying as she wore a mouthguard and pretended to cry. Let's just say the last phrase will have you doing a spit take. Catch the funny video above!