FILE - In this Wednesday, March 25, 2015, file photo, Kevin Hart arrives at the Los Angeles Premiere of "Get Hard" at the TCL Chinese Theatre in Los Angeles. Rihanna announced Monday, Nov. 9, 2015, that actor-comedian Hart will host her second annual Diamond Ball charity event on Dec. 10, in Santa Monica, Calif. (Photo by Rich Fury/Invision/AP, File)
FILE - In this Wednesday, March 25, 2015, file photo, Kevin Hart arrives at the Los Angeles Premiere of "Get Hard" at the TCL Chinese Theatre in Los Angeles. Rihanna announced Monday, Nov. 9, 2015, that actor-comedian Hart will host her second annual Diamond Ball charity event on Dec. 10, in Santa Monica, Calif. (Photo by Rich Fury/Invision/AP, File) Rich Fury Rich Fury/Invision/AP
FILE - In this Wednesday, March 25, 2015, file photo, Kevin Hart arrives at the Los Angeles Premiere of "Get Hard" at the TCL Chinese Theatre in Los Angeles. Rihanna announced Monday, Nov. 9, 2015, that actor-comedian Hart will host her second annual Diamond Ball charity event on Dec. 10, in Santa Monica, Calif. (Photo by Rich Fury/Invision/AP, File) Rich Fury Rich Fury/Invision/AP