You can count the number of women who have headlined Glastonbury in the last 20 years on one hand.
Khan was ranked behind both Adele and Mariah Carey on a recent poll of the greatest singers of all time.
Tickets for the three-day sister events, taking place on 25-27 August, go on sale at 9am on Monday with further acts to be announced.
Kendrick Lamar and Billie Eilish will also headline the Somerset festival.
Billie Eilish says that she lost social media followers after she started dressing in a more revealing manner.
Billie Eilish presents a concert film, 'Deadpool' makes it to Disney+ at last and there's a new animated 'Star Wars' series.
Billie Eilish praises Megan Thee Stallion in her acceptance speech, saying that she should have taken home the award. Courtesy: CBS/Recording Academy
Leto reminisced about the night when two unknown musicians named Billie Eilish and Finneas performed for him and his pal Leonardo DiCaprio.
Dennings said the hateful comments about Eilish said more about the people spewing the hate than it did about Eilish.
The trailer for the satirical puppet show features renditions of celebrities taking bribes to promote the show.
'We all have to vote like our lives and the world depend on it — because they do,' the singer declared.
Billie Eilish performs "My Future" for the first time publicly during the 2020 Democratic National Convention on Aug. 19, 2020.