Fans who went to see the Boss at Wrigley Field in Chicago on Friday really got their money's worth. Eddie Vedder joined Bruce and the E Street Band onstage for a song, Tom Morello joined in on three tunes, and both came out for the encore (which consisted of two songs). Videos here:

Pearl Jam's Eddie Vedder joined Bruce Springsteen onstage in Chicago Friday night for a duet of "Atlantic City". Check it out:

Rage against the Machine and Audioslave guitarist Tom Morello helped out on "Death to My Hometown", "Jack of All Trades" and "Ghost of Tom Joad". Here's video of "Death to My Hometown":

Both Eddie and Tom came out for the encore, helping Bruce perform "Tenth Avenue Freeze-Out" and "Twist and Shout". Here's video of "Twist and Shout":