https://youtu.be/q4bFZ9MlfLA

Michelle Williams knows how to keep a secret. “We’re the secret queens,” the singer tells Billboard in the wake of performing two consecutive weekends at Coachella with headliner Beyoncé and Kelly Rowland. The trio, who rose to commercial acclaim in the late ‘90s and early aughts as Destiny’s Child, had been keeping the surprise under wraps since February, when Bey reached out to her former band members and asked them to join her for a medley of their mega-hits including “Say My Name,” “Lose My Breath” and “Soldier.” “It’s just like old girlfriends coming together,” explains the 37-year-old, who last reunited as Destiny’s Child at the 2015 Stellar Awards where they performed her upbeat gospel single “Say Yes.”…