Watch: Sean "Diddy" Combs' Prison Release Date Revealed Weeks After His SentencingSean "Diddy" Combs is setting the record straight about his life behind bars. Following a report that said the rap mogul-who is serving a four-year sentence for two prostitution-related convictions-was caught drinking homemade alcohol in prison, his spokesperson emphatically denied the allegation. "There have been several false and reckless reports circulating about Mr. Combs," the spokesperson said in a statement to People published Nov. 9. "He has not violated any prison rules.