do up
phrasal verbdo up 
- to be fastened- The skirt does up at the back.
 Oxford Collocations DictionaryDo up is used with these nouns as the object:- belt
- bra
- buckle
- …
 
do something  up 
- to fasten a coat, skirt, etc.- He never bothers to do his jacket up.
 
- to make something into a package synonym wrap- She was carrying a package done up in brown paper.
 
- to repair and decorate a house, etc.- He makes money by buying old houses and doing them up.