Cher mistakenly names Luther Vandross — not Kendrick Lamar — Grammy winner in hilarious onstage flub

Pop icon Cher mistakenly called Luther Vandross up to the stage instead of Kendrick Lamar in a hilarious flub at the Grammys.

The “Believe” songstress was slated to announce Record of the Year at Sunday’s ceremony in Los Angeles — but she seemingly lost ...