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

Add Yahoo as a preferred source to see more of our stories on Google. These fans got ready for Taylor Swift's concert-packed weekend in Indy with a flash mob at the Indianapolis International Airport.

These fans got ready for Taylor Swift's concert-packed weekend in Indy with a flash mob at the Indianapolis International Airport. Taylor Swift will perform three concerts, as part of the second leg ...