a.) A term used to describe a television show that claims to be a reality show, but is very clearly scripted. In the fashion of the obviously-fake douchery of the show Viva La Bam from Bam Margera.
b.) When the situations and/or conversations in a reality-type show are too ridiculous or convenient to not have been written in a script.
In that episode of Pawn Stars that was on last night, Rick had to find Chum Lee who was lost in Disney Land. That show has just become "Viva La Pawn Stars"