flower bouquet billing

Hi all Just a silly question✌✌. If u order a bouquet thru online, how will they send the billing? Is it thru letter box? Or will they give to the receipient of the flower? Updated: thanks everyone for replying. Anyway, what happen is that mr husband ordered a get well soon bouquet for his sister but keyed in the same address for billing and shipping. But email was his. So the shop emailed the invoice and no hard copy was issued out. And ya, no mistress or secret gf involve ??