The Grammy Award-winning drummer was 37.
The daytime soap star passed away in February.
“Tears flowing. Beautiful man, beautiful soul,” a fan tweeted about the segment.
The comedian passed away while vacationing in Mexico.
Barnett also wrote for “The Carmichael Show” and “The Eric Andre Show.”
KTLA anchors Lynette Romero, Sam Rubin, and others paid tribute.
“She lived a good life and is now at peace,” Winfrey said.
Rapper 50 Cent, Gabrielle Union, and others shared their condolences.
The Marvel Comics creator died on Monday, Nov. 12.
The 20-year-old performer was fatally shot Monday in South Florida.
Opera singer impressed fans on season 3 of the series.