馬子 まごにも衣装 いしょう
magonimo ishō

Expression

1. anybody can look good with the right clothes; clothes make the man; fine feathers make fine birds; clothes on a packhorse driver — literal

Proverb
あらまあ、馬子 まごにも衣装 いしょうとはこのことだねぇ。スーツ ると結構 けっこう格好 かっこういいじゃん。
aramā magonimo ishōtowa kono kotodanē. sūtsu kiruto kekkō kakkōiijan.
Well, it's just like the proverb "fine feathers make a fine bird". You look really good when you wear a suit.
Other forms: