The rapper was shot and killed on November 1 in Houston, Texas.
Among those attending were the rappers children, along with Eve, Swizz Beatz and Nas.
The rapper will be remembered at two separate gatherings this weekend.
The service is scheduled to take place on Saturday, April 24.
The Los Angeles televangelist died last month from complications of COVID-19.
The trailblazing actress died last month at age 96.
The memorial service was held Monday at Staples Center in Los Angeles.
The director graduated from USC’s film school in 1990.
“He set an example for young people to follow,” the former president said.
The service for the slain rapper is being planned for April 11.