A very young artists model? (10)
I believe the answer is:
babysitter
'model?' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'a very young artists' is the wordplay.
'a very young' becomes 'baby'.
'artists' becomes 'sitter' (I can't explain this - if you can you should give a lot more credence to this answer).
'baby'+'sitter'='BABYSITTER'
Can you help me to learn more?
(Other definitions for babysitter that I've seen before include "One left in charge" , "Childminder" .)