In what year was Super Bowl LII played?

Which stadium hosted Super Bowl LI? Who headlined the halftime show at Super Bowl LI? Nick Foles was named MVP of which Super Bowl? In which city was Super Bowl LII played? Which stadium hosted Super Bowl LII? Who headlined the halftime show at Super Bowl LII? Which team did the New England Patriots defeat in Super Bowl LIII? Julian Edelman was named MVP of which Super Bowl?