dolled up vs dressed to kill

dolled up and dressed to kill both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dolled up	No	Yes	No	No
dressed to kill	No	Yes	No	No

As adjectives, dolled up and dressed to kill are synonyms defined as:

Other synonyms of dolled up include dressed-up, dressed, dressed to the nines, spiffed up, spruced up, togged up.

dolled up (adjective)	dressed to kill (adjective)
dressed in fancy or formal clothing	dressed in fancy or formal clothing