In a kitschy Taco Bell marketing campaign, Dolly, Doja Cat, and Tik Tok stars pay homage to the return of their favorite menu item.Taco Bell finally aired Mexican Pizza: The Musical, starring Dolly Parton, with guest appearances by Doja Cat and over 21 Tik Tok stars. Photo by Michael Loccisano/Getty Images for SXSW The 15-minute homage to the beloved menu item— streamed live on Taco Bell's Tik Tok channel—was a send-up of a high school musical with colorful cardboard props and over-the-top show tunes. Dolly Parton and Doja Cat made appearances in a few pre-taped segments, and Dolly was also...