The room interior could be taken down a little bit (but it is very bright so it should be still bright) but Leia is right next to the window and would get much of the daylight on her so she should be pretty much the same as she is now.
A reflection would add much but I was never really convinced that the interior fits into that matte in a realistic fashion.
The room element might be distorted to map into the suggested interior space of the building in the matte more (it seems a little flat).