ANSWER:

This is totally prohibited for her to come out and expose herself to other non mahram men like this unless she is this cheap!

Men and women must be totally segregated.

QUESTION: In our cultural marriage ceremony, the bride is well dressed on the marriage day to be seen by the non-mahram of the groom side on the day of walima. If someone wants to have walima and maintain the privacy of the bride, how should he organize or deal with the weeding?