"American Idol" singer Katharine who stars on "Scorpion"

Let's find possible answers to ""American Idol" singer Katharine who stars on "Scorpion"" crossword clue. First of all, we will look for a few extra hints for this entry: "American Idol" singer Katharine who stars on "Scorpion". Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.