Muppet fans tuning into the World Cup final this afternoon got quite the surprise as Kermit, Miss Piggy, and the Electric Mayhem joined a group of global superstars for a halftime performance. Leading up to the big game, Fox and FIFA advertised that a special performance by Madonna, Justin Bieber, Shakira, and BTS would take place as part of the first ever World Cup halftime show. As fans...
