The singer collaborated with the French music producer on her new track "Killah," which he performed with her during Friday's closing set.

Friday night's performance marked Lady Gaga's second time headlining Coachella, but in many ways it felt like her true first time.

During a rare moment of stasis during Lady Gaga's marathon set at Coachella on Friday, she waited for a full-throated cheer to ebb away, blew a kiss and then made her intentions crystal clear. "I love you so much,