dressed to kill vs dolled up

dressed to kill and dolled up both are adjectives.

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

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

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

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