Yellowstone drama Kevin Costner Taylor Sheridan key cast miss PalyFest event and fans are ripped

LOS ANGELES — “Yellowstone” star Kevin Costner and show creator Taylor Sheridan lead the high-profile surprise no-shows at a sold-out “Yellowstone” PaleyFest fan event Saturday night. Shocked fans who had bought tickets to the Los Angeles’ Dolby Theatre groaned audibly and even booed when the main “Yellowstone” stars, scheduled to appear, failed to show up on the stage to discuss the suddenly drama-filled Paramount Network TV drama. Along with Costner (who plays patriarch John Dutton) and Sheridan, “Yellowstone” stars Kelly Reilly (Beth Dutton), Cole Hauser (Rip Wheeler), Luke Grimes (Kayce Dutton), Wes Bentley (Jamie Dutton) and Gil Birmingham (Thomas Rainwater)…