Yes- the dress code is black-tie optional! We strongly encourage you to wear formal attire, however, we understand that it will be HOT in Houston, TX. Here is a link with some ideas of black-tie optional attire - https://www.theknot.com/content/what-to-wear-formal-black-tie-optional-black-tie-invited
You can arrive to the venue up to 30 mins before the ceremony begins.