1
general::
Also, all dolled up. Dressed or fixed up smartly and, often, ostentatiously, usually for a special occasion. For example, There's no need to get all dolled up? it's just a picnic, or They dolled up the classroom for parents' night. This expression alludes to a person or object being as attractive as a pretty doll. It is Also put verbally, to doll up, as in I wanted to doll up my apartment before the guests arrived. [Colloquial; c. 1900] Also see GUSSIED UP.
American Heritage Idioms
2
general::
Phrase(s): *(all) dolled up
Fig. dressed up and well-groomed. (Usually used of females. *Typically: be ~; get ~.) • I have to get all dolled up for the dance tonight.
McGrawhill's American Idioms And Phrasal Verbs