dependent visa application before marriage

My fiance need to apply for the dependent visa after marriage ceremony. I am on tier-2 general visa.
I am wondering if my fiance can submit her dependent visa online application before marriage? so that we can secure appointment after marriage ceremony?
Also what would be the marriage status? single or married?
many thanks

Yes,she can go ahead and submit an online application now and book an appointment for a later date after your marriage. She can also select her marital status as 'Married' in the application form.

Please do get a marriage certificate done before her visa appointment date as she needs to submit an original marriage certificate along with the other supporting documents.Good luck!