dolled up

1. 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.