Article continues below advertisementWhen Is Sean 'Diddy' Combs' Sentencing?Source: MEGASean 'Diddy' Combs failed to get his conviction overturned.It is only a matter of time before Sean "Diddy" Combs learns what the future holds for him in his ongoing criminal trial.The 55-year-old embattled music mogul is set to be sentenced on October 3, about three months after he was found guilty on two counts of transportation to engage in prostitution. He was acquitted of two counts of s-- trafficking and one count of racketeering conspiracy following a two-month trial in July.