It appears Meghan Markle has a thing for the luxury dresses she's worn during photo shoots, as she recently turned up in a second frock that might have been pilfered from a past magazine profile, ...
Please tell us where you found these sentences. ”Clean up good” has nothing to do with cleaning a house or being diligent. It means the person is surprisingly attractive when he or she gets cleaned up, dresses nicely, etc.
A man orders 20 dresses that he will sell in his shop, but some of the dresses are not of the colours that he ordered: He says "A number of the dresses are wrong."