The question really isn't can you, it's would you or will you, of course you can. You just have to make sure that she won't feel like that's all you care about, is her in her underwear.
The father of the bride and groom can give the wedding gift to them the day of the wedding at home or, they can leave the gift on the gift table at the wedding reception. However, if it is of cash value it is better to give the bride and groom the money before the wedding.
A luckenbooth brooch is a traditional gift.
No, the mother of the bride does not give the groom or his parents a gift, but just gives a gift to her daughter and new son-in-law.
No, there is no reason that the groom's parents need give the bride an additional gift over and above the gift given to the bride and groom. Some mother-in-laws may have a special piece of jewelry they may want the bride to have, but that is the mother-in-laws choice.
flowers are always great to give to them, or a spa gift gard
A Ring???????????
The color of the bride's underwear at any wedding is up to the bride. She decides what to wear and, and that includes what she believes is the appropriate color underwear.
Of course, all guests give the newlyweds a pressie
It is your son and his bride that you would either give a gift or money to. Generally the bride may have a bridal registry at different stores and you could choose a gift from there, but, you can also give your son and his bride money so they can use it towards their honeymoon or something they would both rather have.
Either a mother; mother-in-law; sister or good friend has a bridal shower and does not require a hostess gift. If the bride wishes to thank the hostess she could send a thank you note along with an arrangement of flowers.
* No, the host is giving the wedding shower for the bride and the bride is the only one that should receive a gift. If you are the bride and feel you want to give them something then send flowers or send a thank you card to show your appreciation.
It is not necessary for an unknown guest to give a gift; that being said - a gift of cash / money always fits.