The "Dancing Queen" performance was choreographed by the mother of the bride, who secretly arranged for all the guests to participate ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A "bridesman" surprised a couple on their wedding day with a flash mob ...

Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...