The internet is having a field day with a crazy conspiracy theory that Avril Lavigne died and was replaced with someone else

Scott Gries/Getty Images; AvrilLavigneVEVO/YouTube The INSIDER Summary: There's a conspiracy theory online that Avril Lavigne died and was replaced by someone else. A long thread about the theory on Twitterinspired a new meme: "a conspiracy thread." With the meme, peoplewildly allege that something has been replaced without anyone noticing. On Friday, a conspiracy theory about Avril Lavigne shook the celebrity gossip world, and the aftershocks are spreading through the meme universe. "avril lavi...