if its based on their wedding girls should ware dresses and men should ware tuxidoes
Unless you the parent of either the bride or groom or in the wedding party then no, you should not wear a flower on your dress.
The cocktail dress would be a good choice to wear to a wedding.
A leopard print dress that is knee length is fine if you are a guest and not in the wedding party.
What colour suit should men wear at a wedding night party?
If you are not a member of the wedding party a formal dress or suit would be acceptable to wear. If you are a member of the party, you must follow suit with the rest of the party's attire.
The mother of the bride goes to the church rehearsal where the wedding party practices what they should do and say and then there is generally a Wedding Rehearsal Dinner after which all members of the wedding party (including the parents of the bride and groom.) There is no dress rehearsal for most brides or wedding party, but the bride and her brides maids would have to go into the wedding shop where the wedding dress and brides maids dresses were purchased to be sure no extra alterations have to be made on any of the dress and the mother may attend this if she asks the bride (which is generally not a problem.)
The color of dress that is acceptable for a wedding reception would all depend on the colors of the wedding. If the person is a member of the wedding party the bride may have choses a set color or dress. If the person is a guest they would not want to clash with the wedding party.
How much money do I give for a 40 the wedding anversary party
You should look good, but what you wear depends on what the party is - you'll dress differently for a football game watching party than a wedding reception.
the punishment you can give a bride on her wedding is to ruin her dress or mess up the wedding
* If the couple who are having their 50th wedding anniversary is putting on the party themselves (many couples do) then yes, they should put their return address on the envelopes. If it's a surprise 50th wedding anniversary by a member of the family then the return address should be that family members address or they would spoil the surprise.