Olivia Culpo is planning to make her dog a star of her wedding. The actress and model, 31, is set to marry her NFL player fiancé Christian McCaffrey, 27, and has opened up in a question-and-answer session with fans on her Instagram Story about how she is determined to feature her goldendoodle, Oliver Sprinkles Culpo McCaffrey, in their nuptials. Former Miss Universe Olivia said about the pup, which has an Instagram account: “I really want him to be the ring bearer” – before adding his role was “to be determined”. Olivia, who accepted San Francisco49ers player Christian’s marriage proposed in A…