Phil Collen continues to be active both as a member of Def Leppard and through collaborations, contributing guitar work to Brian Fallon's upcoming solo album and appearing on a track by Ricky Warwick. He has also spoken about his bandmates, the success of Def Leppard's Las Vegas residency, and his new box set with the band Manraze, while expressing cautious optimism about playing at the Sphere. Collen addressed past rumors, clarifying a reported incident with Glenn Danzig and reaffirming his positive relationship with his Def Leppard colleagues.