Kelly Rowland, Michelle Williams and Beyonce last performed together in 2015, having disbanded in 2006. POP superstar Beyonce has reunited Destiny’s Child for a surprise performance. Queen Bey made a spectacular return to the stage to headline Coachella festival’s second night on Saturday, ending a year-long hiatus from live music after giving birth to twins.  And as if her two-hour action-packed performance boasting about 100 backing dancers and musicians was not enough, former bandmates Kelly Rowland and Michelle Williams joined her onstage. In front of about 100,000 people in the southern California desert, they reunited for the night to perform three of their songs, including one of their most famous, Say My Name. The iconic silhouette…