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KISS, MÖTLEY CRÜE, IRON MAIDEN and SLIPKNOT will headline next year's edition of Hellfest, set to take place June 15-18, 2023 in Clisson, France. Also scheduled to appear are DEF LEPPARD, PANTERA, HOLLYWOOD VAMPIRES, PORCUPINE TREE, AMON AMARTH, ALTER BRIDGE and WITHIN TEMPTATION, among many others....