Nat King Cole hit wows tourists in Paris (4,4)

I believe the answer is:

mona lisa

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'nat king cole hit' is the definition.
(I've seen this in another clue)

I can't explain the rest of the clue.

(Other definitions for mona lisa that I've seen before include "Da Vinci painting" , "Famous painting of enigmatic woman by de Vinci" , "Mysterious-smile Louvre portrait" , "Leonardo da Vinci's painting of enigmatic woman" , "Leonardo da Vinci's enigmatic portrait" .)

I've seen this clue in The Irish Times.

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