With the scale of Trevor Hoffmann's marriage proposal under the twinkling lights of the Vancouver Christmas Market ... and it includes a singing flash mob made up of 40 professional choir members ...

As well as raising spirits with just over a week to go until Christmas, the flash mob also raised vital cash ... "The Fairytale of New York seemed to be most people's favourite and the staff ...

Houston's two major airports are aiming to surprise people travelling back home over the holidays with flash mob performances ... busiest night of the year — Christmas Eve," the release reads.