GeekLove is a beautiful WP theme specially designed for wedding websites. It includes many different post types: events, gallery, guestbook and attendees. The theme includes custom covers for each page and a fully widgetized homepage with 10 custom widgets.
This responsive WordPress wedding theme is retina display ready, so it looks great on all devices. It has a built-in shortcodes generator for alerts, author box, intro, tabs, buttons, and more. You also get accent color control via Live Theme Customizer and Color Picker.