Twin brothers Matt and Luke Goss - who enjoyed a major hit with the track When Will I Be Famous? - will play London’s O2 Arena in August next year.
The pair inspired teenagers to wear bottle caps on the shoes in their heyday.
Matt, who has enjoyed a solo career since they split, said: “As the lead singer of the band, my musical connection has always been with Luke. Bros is Matt and Luke.”
Bros last played together in 1989 and split in 1992.
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Matt recently dismissed speculation about a reunion, saying: “Bros is always surrounded by rumours. I think if it was going to happen it would come out of my mouth and my brother’s mouth.”