Alex Turner, Dave Grohl and Lady Gaga sign guitar for Planned Parenthood raffle

Josh Homme, Michael Stipe, John Legend, Mark Ronson, Kim Gordon, Katy Perry and Ryan Adams have all signed it too. Alex Turner, Dave Grohl, Lady Gaga Arctic Monkeys‘ Alex Turner, Foo Fighters‘ Dave Grohl and Lady Gaga are among over 100 stars to have signed a …