The Lollapalooza Lineup For 2011 has now been announced, so now we know who the festival headliners are.

This is a special year for the event, as it is the 20th anniversary, which is why the likes of Coldplay, Eminem, Foo Fighters and Muse has been brought in to do what they do best.

The event is to take place on August 5-7 at Chicago’s Grant Park, with 126 acts expected to attend.

Will you be attending?