During her performance, Diana played a medley of her biggest hits including "The Best Years of My Life".
She then belted out her debut solo single, "Reach Out And Touch". And on Sunday he was stealing the hearts of people all over the world once again when he introduced his "grandmommy", Diana Ross.
It's unclear how the legend will be celebrating her actual birthday on March 26, 2019, or what is on her wish list, but for now, Ross is celebrating with fans and reminding us that music is a gift and that talent is ageless.
But the audience on Sunday night was then treated to an nearly embarrassingly over-the-top and self-involved celebration of the singer as she sang some of her biggest hits.
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I've been successful since I was 13, so I didn't really have a chance to find who I was apart from what I did. I got very arrogant and cocky. "I was wearing sunglasses inside", he told the fashion magazine.
"Did she say little guy?" the little boy said about host Alicia Keys, who had announced him. "Learn, dream, unlock new doors, all is possible, all is possible with music and with you".
After telling the crowd "don't be lazy" as she prompted everyone to stand, she ended the performance by exclaiming, "Happy birthday to me!"
The Academy previously honored "Diamond Diana" with a Lifetime Achievement Award in 2012.
Diana Ross' grandson is a tough act to follow, even if the performer is Ross herself.