Crossword Genius

Make-up artist impressed by Julia Roberts (4)

Ross

I believe the answer is:

liar

I'm a little stuck... Click here to teach me more about this clue!

'make-up artist' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'impressed by julia roberts' is the wordplay.
'LIAR' is hidden within the letters.
But, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for liar that I've seen before include "not straight [one]" , "Dissembler" , "Not a truth-sayer!" , "Untruthful person (Billy in Schlesinger film)" , "Pinocchio, at times" .)

I've seen this clue in The Independent.
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