The term 'Dolls Up' can be summarized by two crossword solutions: 'Preens' (6 letters) and 'Pretties' (8 letters). 'Preens' is a verb meaning to groom oneself, usually with the purpose of looking more attractive. 'Pretties' is an adjective meaning attractive or pleasing in appearance. Both words are used to describe the act of making something look more attractive, which is what 'Dolls Up' means.