by Ellen DurneyBuzzFeedBuzzFeed StaffHi, I'm Ellen! This story mentions sexual assault. As you may know, Sean "Diddy" Combs and Usher go waaaay back. Kevin Mazur / Getty Images Usher was introduced to Combs as a teenager in the early '90s when he first signed a record deal. Combs - who is nine years older than Usher - mentored the R&B star and produced his self-titled debut album in 1994.