The World Tour was a co-headlining concert tour by English rock band Def Leppard and American rock band Mötley Crüe, which took place from February through November 2023 in venues across Latin America, Europe, North America, Asia and Oceania.

During their previous tour, The Stadium Tour, the members of Def Leppard indicated that a European version of The Stadium Tour would take place in 2023.

[2][3][4] In addition to playing stadiums and entertainment venues, the tour also featured appearances at international music festivals.

This was Mötley Crüe's first tour without co-founder and original guitarist Mick Mars, who announced his retirement in October 2022, with John 5 replacing him.

[5] Mötley Crüe[8] Def Leppard Def Leppard Mötley Crüe