It's a penguin suit affair. Tuxedos. Penguin suits!
Hell yeah
No, it is not advisable for a woman to wear a tuxedo to a black tie wedding because tuxedos are meant to be worn by men. She could wear a simple black cocktail dress and if she likes instead of jewelry she could wear a black bow tie around her neck.
A black tie. Assuming that the shoes will be black.
morning suits or black tie attire
You could ask why, but if the guest wears a 3-piece suit with a tie, it shouldn't be a problem.
* If it were a black tie wedding then it would be announced in the wedding invitation. Since you haven't done this leave it up to the individual guests as most of the men will wear different colored ties; some with sports jackets and slacks; suits or perhaps just slacks and a shirt with a tie. If you are having a very casual wedding then you could mention 'casual dress.' However, the first suggestion given is generally the best.
For a black tie wedding, women typically wear formal evening gowns or elegant cocktail dresses. The attire should be sophisticated and luxurious, often made from rich fabrics like silk or satin. Accessories should be refined, and heels are commonly worn. Men are expected to wear a black tuxedo with a formal white shirt, black bow tie, and polished dress shoes.
www.bellablumaternity.com has a lot of nice maternity dresses, formal enough for anything from a black-tie to a beach casual wedding. anonymous@oola.com
If you are not in the wedding party and there is nothing mentioned about 'white ties' then no, you should not wear a white tie.
black bow tie
The best popular choice for a wedding suit is a formal black suit with a black tie. The popular choice for women is a long flowing white dress though couples may decide on different colors.
A Nice Dress, but typically avoid white and black, as white is the brides color and black is typically reserved for funerals and black tie events.