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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Heidi of "America's Got Talent" 4 letters:

KLUM: America's Got Talent judge Heidi
KLUM: Heidi of "America's Got Talent"
MEL: America's Got Talent judge alongside Heidi, Howie, and Simon
HOWIE: Judging partner of Simon, Heidi and Sofia on "America's Got Talent"
MEL: America's Got Talent judge alongside Tyra, Simon, Howie, and Heidi