wedding collections in grey or sliver

A little boy looks at his mum at a wedding and says, “Mummy, why is the girl dressed all in white?”
His mum answers, “The girls is called a bride and she is in white because she’s very happy and this is the happiest day of her life.” wedding collections in grey or sliver
The boy nods and then says, “OK, and why is the boy all in black?” ?