David Letterman ended his incredible 33-year run as a late-night host yesterday, and as previously reported, the Foo Fighters were on hand to help him say goodbye.
An impressive crowd of superstars gathered to honor American veterans at the Concert for Valor in Washington, D.C. yesterday, including Bruce Springsteen, Foo Fighters frontman Dave Grohl and Zac Brown, who collaborated on a performance of the Creedence Clearwater Revival classic 'Fortunate Son.'