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

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,

After Coachella, the "Abracadabra" singer embarks on her massive Mayhem Ball tour Lady Gaga is ready to cause some Mayhem at Coachella. Ahead of her performances on April 11 and 18 at the California music festival,