5 Great Slash Guest Appearances

Slash celebrates his 53rd birthday today (July 23), and out of all of the incredibly cool moments in his career (and there is A LOT of them), some of Slash's best moments come from him performing with other artists.

Foo Fighters For Christmas! Foo La La La La!

Dave Grohl is pretty much the most awesome-est Rock Star in all the land. The Foo Fighters were the music guest on Saturday Night Live over the weekend, check out their Christmas Medley that started out as Everlong! Foo Fighters: Christmas Medley (Live) - SNL Musical guest Foo Fighters perform a medley of "Everlong," "Christmas…