Did Beyonce flash the Illuminati sign during her halftime performance?
According to legend, the Illuminati are a tiny, super-secret cabal of influential individuals who have shaped the course of world events. So it makes perfect sense that Beyonce would flash their triangle sign to one of the largest viewing audiences in human history. What better way to preserve a secret? That's a definite possibility. Also a possibility? That she was showing some love to her husband Jay-Z's Roc-A-Fella Records, which uses the diamond as its symbol.
The above was taken from some article on Yahoo, not my thought.
Somewhere I can see Dr. Evil grinning

Everyone has a plan, until they get hit.
/ Mike Tyson