do sb proud
1. UK OLD-FASHIONED to treat someone who is visiting you very well, especially by giving them a lot of food:
We had a lovely tea - Sheila did us proud.

2. INFORMAL to make someone proud of you by doing something very well:
Once again, the armed forces have done us proud.

[TahlilGaran] Advanced Learner's Dictionary ▲

do proud
do (someone) proud
1.
to treat a visitor or guest very well.
Rosemary did us proud with such a lovely lunch.

2.
to feel very pleased about someone because they have done something well.
Once again, the armed forces have done us proud.

[TahlilGaran] English Idioms Dictionary ▲

do proud
See: DO CREDIT.
To add to or improve the reputation, good name, honor, or esteem of; show (you) deserve praise.
Your neat appearance does you credit.

Mary's painting would do credit to a real artist.

[TahlilGaran] English Idioms Dictionary ▲

do someone proud
do (someone) proud
1.
to treat a visitor or guest very well.
Rosemary did us proud with such a lovely lunch.

2.
to feel very pleased about someone because they have done something well.
Once again, the armed forces have done us proud.

[TahlilGaran] English Idioms Dictionary ▲