Rae will host the event, while Gambino will perform.
“So Excited to announce that my sis @IssaRae is hosting this year’s #DiamondBall in exactly one month!! AND @donaldglover is closing out the night with a special performance! SEPT. 13. NYC. Find out how you can attend at 2018diamondball.com @claralionelfdn,” the R&B singer tweeted.