WATCH: Dave Grohl jams with Paul McCartney + some other Foo Fighters eye candy!

With the Foo Fighters due on the Slane stage in roughly 81 hours - and counting! - we've a quartet of appetite whetters for you. First of all there's the fan clip of Dave Grohl guesting this week with Paul McCartney in the London O2. The resulting version of 'I Saw Her Standing There' is pretty damn awesome.
As was their headline turn at BBC Radio 1's Big Weekend, which confirms that the chaps are currently in the rudest of health.
And just in case you missed it last week, we've the Foos helping America bid a fond farewell to their favourite late night TV son, David Letterman.
Finally, there's footage of assorted Foos letting their hair down with a cover of Alice Cooper's 'School's Oit' earlier this month in Conejo Valley.