It's a family thing!

Mariah Carey at the Gucci 2027 Cruise Collection Show on May 16, 2026, in New York.

Kristina Bumphrey/WWD

Mariah Carey is reuniting with her Proud Family family, joining the cast of the iconic Disney series’ ongoing spinoff more than 20 years after she first lent her voice to the original version of the sitcom.

As announced Wednesday (June 17), the Songbird Supreme has a guest spot on The Proud Family: Louder and Prouder, the fourth and final season of which will premiere on Disney+ on July 29. Also making cameos on the next installment are Chloe Bailey, Ali Wong, Romany Malco, Lorraine Toussaint, Christopher “Mad Dog” Russo, Kym Whitley, Dee Nasty, Adele Givens, JB Smoove and Lashana Lynch, as well as recurring guests Anthony Anderson and Tiffany Haddish.