### Clue: Artist's mother to pose for painters around the London area (7)
### Answer: MATISSE 
 ### Explanation: Definition: Artist
 MA(informal term for one's mother) + **reversal of**(… around) SIT(to pose for painters/artists) + SE(abbrev. for "southeast", the area of England in which London is; alternatively, "South East", the postcode area in London).