Combs, 56, is serving a 50-month sentence on two interstate prostitution convictions at a federal prison in New Jersey.Sean "Diddy" Combs attends the 2022 Billboard Music Awards.Frazer Harrison / Getty Images fileJuly 24, 2026, 9:18 AM EDTBy Chloe Melas and Pilar MelendezSean “Diddy” Combs is in solitary confinement after he was involved in a fight with another inmate at a New Jersey federal prison, a source with knowledge told NBC News.Just a moment.We are getting your experience ready.