The legal bit

You and your fiance must be at least 16 to be legally married.
In England and Wales, if either of you is under18 years of age, then you must have your parent or guardian's permission. In Scotland you don't need parental permission if you are over18.
You must not be closely related to each other and you must both be free to marry.
The marriage must take place in legal premises, such as a register office, religious Venue or a licensed venue. 
The marriage must take place in the presence of a registrar or official.
Two witnesses must be present who are old enough to understand the ceremony.

Wedding Dresses  at Styletheaisle.