In a new viral video, shared by Storyful, bride Katherine Martineau can be seen at her wedding in Montreal ... bouquet toss over the balcony but a flash mob broke out!,” Bizdikian said.

Omar Sider of Arlington, Va. hired a flash mob to surprise his girlfriend, Star Morrad with his proposal for marriage in Georgetown Waterfront Park.

and Reum even prepared a flash mob dance for Paris (and joined in!). In true Hilton fashion, though, the wedding celebration isn't over yet. The festivities will continue with two additional ...