is the ninth studio album by English rock band Def Leppard.

[4] The accompanying booklet contains photographs of the band members recreating classic images from 1970s album art.

Rating the album 4.5 out of 5, Stephen Thomas Erlewine of AllMusic praised Yeah!

was the band's "most convincing album in fourteen years", citing "Rock On" and "Stay With Me" as highlights.

He concluded by saying that "none of the arrangements veer far from the originals, but they don't need to - it's good enough to just hear the band having fun and to see where all the Hysteria came from.