The legal voting age of 18 for state and federal elections is still a relatively new development in American political history, and was a largely unpopular idea with the majority of Americansuntil Joe appeared on the show’s “Plead the Fifth” segment, where host Andy Cohen asks a series of uncomfortable questions. The rules of the game allow celebs to bow out of one question by “pleading the fifth,” but they have to answer the rest. Nick Jonas also appeared on this showearlier this summer where the reality star said she's a fan of Taylor's, and that there was no shade in her Snapchat.Related: Fans Think Khloé Kardashian Is Ariana Grande's Doppelgänger in Her New Selfie