If you intend on having a mixed wedding reception or engagement party, then you'll need to think about what to do about your hijab. Here are some beautiful ideas:
Turkish bridal hijabs:
I personally love the Malay style. What they do is use a square hijab in a nice material like satin or chiffon. They then fold it into a triangle, pin under the chin, then tie the ends behind the neck. Then a veil which is decorated with beads, sequins and embroidery is draped on top of the head, and pinned at the sides of the face. This lady also has a tiara on top:
A Yahoo image search for wedding hijab will bring up hundreds more Malay style pictures from flickr.com. Stunning!