She worked with Mariah Carey, The Killers, Miley Cyrus, Beyoncé and more
The star-studded performance also featured Queen Latifah and Victoria Monét
"Women need to celebrate each other, especially in times now more than ever"
The 20th anniversary re-release of the singer's debut album includes a surprising glitch
Kate Nash, Pixie Lott, Loreen, Vengaboys, Mutya, Jamelia, Jojo, Erika Jayne, G Flip and more also join the bill for the London festival
"His IMPACT is HUGE & will be NEVER be forgotten"
The 'Out Of This World' tour is hitting the road in North America this summer
"Why are you all still supporting him?"
Ciara also described Jackson as "the sweetest soul since day one"
The pair had previously covered the track at Coachella
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