One Direction, Cast of Star Wars Sing on Late Night TV

galaxy – n. any one of the very large groups of stars that make up the universe

karaoke – n. a form of entertainment in which a device plays the music of popular songs and people sing the words to the songs they choose

shriek – v. to make a loud, high-pitched cry

outdone– v. to do better than (someone or something) : to be more successful than (someone or something)

routine – n. a series of things (such as movements or jokes) that are repeated as part of a performance

celebrity – n. the state of being famous or celebrated