Dave Grohl played an unannounced show in London on Friday night for a 5 song set which included Rick Astley. Yes, the 80's "Never Gonna Give You Up" Rick Astley. Astley played drums on a bunch of Foo Fighters songs then the pair traded vocals on Astley's big hit. It's not the first time these two appeared together. Astley first appeared with the Foos in 2017.