"The ceremony was very beautiful and romantic.
The bride, 31, wore a white dress with her hair pinned up while Williams, 36, wore a black tuxedo.
"At last, Rob is happy," the singer's father, Pete Conway, told Britain's News of the World. "That's what you want for your kids and this is the happiest I've seen him. Ayda is so beautiful and so delightful and so lovely and just so right for him. They are brilliant together."
After the 30-minute ceremony, guests enjoyed a sunset cocktail reception with champagne and gourmet hors d'oeuvre.
