Z-list       
adjective  humorous uk/ˈzed.lɪst/ us/ˈziː.lɪst/
 (明星等)末流的
used to describe people who are only slightly famous, or who are famous but not for doing anything special
  They got a few Z-list celebrities to come to the party. 他们的聚会上请了几名末流明星出席。 
 Compare: A-list