Lauryn Hill, 50 Cent, Diddy, and Nick Cannon gathered to pay their respects to Chris Lighty at a memorial service in New York City on Wednesday.   The mourners at Frank E. Campbell Funeral Chapel also included Missy Elliott, Fat Joe, Q-Tip, LL Cool J, Rev. Run, Russell Simmons, Michael Bivens, Wyclef Jean, Grandmaster Flash, and Gayle King. The 44-year-old hip-hop mogul, who founded Violator Management, was found dead in his Bronx apartment last week after an apparent suicide. According to the AP, Lighty was laid to rest in a dark suit, surrounded by white floral arrangements.  A slide show depicting his life was shown on screen.