Dave Grohl and Justin Timberlake

USA Today

Dave Grohl Announces Justin Timberlake as the "Mystery Pop Star" on New 'Concrete And Gold' Album

September 6, 2017

After Dave Grohl announced that the "biggest pop star in the world" would be appearing on the new Foo Fighters album, Concrete and Gold, everyone couldn't help but guess who it could be. Lady GagaBeyoncéTaylor SwiftAdeleKaty PerryJustin Bieber?

"No" to all. In an interview with Rolling Stone, Grohl revealed that the mystery pop star they collaborated with is Justin Timberlake

So how did Timberlake find himself singing on a Foo Fighters record? According to Grohl, Timberlake would stop by the studio they were recording in to listen. Pretty soon he and Grohl became best friends and asked if he could sing on the Foos' record, to which Grohl happily agreed.

Concrete and Gold already has a number of cameo appearances. Sir Paul McCartney appears on drums on one of the songs, along with Boyz II Men singer Shawn Stockman.