Nicki Minaj and Kenneth Petty Reportedly Get Marriage License . Last month, Minaj announced on 'Queen Radio' that her and Perry had gotten a marriage license. But according to a source at 'E! News,' the couple didn't officially get the license until Monday, July 29. . The license is reportedly valid for 90 days, which means a wedding is right around the corner. Minaj has repeatedly defended Petty, a registered sex offender who also served four years in prison for first-degree manslaughter. Minaj most recently declared her intentions to wed Petty on Chance the Rapper's 'The Big Day.'. My n---- home now, he the Clyde to my Bonnie/‘Bout to walk down the aisle and be a mommy, Nicki Minaj, on 'The Big Day'. A wedding date has yet to be announced.