You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: ART & ARTISTS 
Clue: An X-ray of his "Blue Boy" has revealed the figure of a small dog that was painted out

Answer: thomas gainsborough


Question: Category: STUPID ANSWERS: THE BRITISH EDITION 
Clue: The Garden Tower at the Tower of London was the scene of some bloody goings-on, so now it's known as this

Answer: the bloody tower


Question: Category: FUN WITH FASHION 
Clue: Also a synonym for "amulet", this type of trinket now hangs on handbags & cell phones as well as bracelets

Answer:
a charm