Hint: One was 'Sister Act' Whoopi Goldberg enjoyed massive critical acclaim and scored an Oscar nomination for best actress ...

Once again, toward the end of the discussion, Goldberg issued a more serious warning to perennial non-knockers: "Knock. On.

Goldberg's fellow panelists all corrected the Ghost actress in ... telling Kayla to go and "get a Whoopi hug" at the other end of the table. Goldberg then embraced the young lady, who beamed ...