Muse at Knebworth? Now wouldn't that be lovely!
If confirmed, the event would provide competition to the Download festival, which takes place at Donington from June 12 to 14.
Speaking exclusively to the WHT, she said: "I have nothing confirmed at this stage," but added: "I would love them [Metallica] to come and I am pushing very hard [to get them]."
Other artists believed to be interested in playing the event include US rock titans Red Hot Chili Peppers and British alt rock darlings Muse.