Murray revealed that his brother Jamie and friends Ross Hutchins and Carlos Mier were to share best man duties.
Several fans camped overnight to catch a glimpse of the couple and the streets were festooned with bunting in scenes usually reserved for a royal wedding.
The 27-year-old Sears has already become accustomed to the limelight, often finding herself in the cameraman's sights while watching Murray courtside at events all around the world.
She too grew up in a tennis-loving home with father Nigel Sears formerly the LTA's head of women's tennis.
Shedding her demure image, Sears hit the front pages during this year's Australian Open when she was filmed muttering expletives in the direction of the box of Czech opponent Tomas Berdych.
She turned up at the next match wearing a "parental advisory explicit content" jersey.
Sears was once described by Judy Murray as "the best thing to happen to Andy".
The world number three player is hosting the reception at his own 15-bedroom Cromlix House Hotel, which he bought two years ago.
Pubs in the town got into the spirit, offering champagne and strawberries to mark the occasion.
Murray and Dunblane share a painful past after the town was hit by tragedy in March 1996 when Thomas Hamilton shot 16 pupils and a teacher dead at the Scot's primary school.
The tennis player, who had to hide in the school during the massacre, broke down in tears when discussing it during a television interview.
- AAP
