In addition to Mr. Cheeks, Mario Winans' former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City. The Harlem emcee performed his hit "Whoa" in front of the jam-packed room.

Check out the performance below:

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City

Black Rob

Mario Winans’ former label-mate, Black Rob, also joined him on stage at RnB Spotlight on Sunday night (July 21) in New York City