It was her last show of the Formation World Tour and she went out with a bang and a slew of superstar guests. Beyonce got the crowd all revved up at MetLife Stadium in East Rutherford, New Jersey on Friday night when she performed with husband Jay Z and then tennis ace Serena Williams.Queen B looked quite comfortable as she twerked to the beat in a glittery two-piece bronze number while Jay Z smiled and rapped.