As The Hills
barrels through its sixth and final season, betrayals, drug scandals and catfights are rampant " and nearly every friendship seems to be in ruins. But while many believe Kristin Cavallari
, Audrina Patridge
, Heidi Montag
and their castmates brought the drama on themselves, it seems the producers may be largely to blame. According to insiders, Hills
execs have been plying cast members with alcohol, paying them to spread ...