United Kingdom, June 27 -- Taylor Swift's wedding guests have no idea where the ceremony will take place.

The Opalite singer and the NFL player, both 36, are due to tie the knot in New York in July but they have not told their invited guests exactly where the nuptials will occur.

A source told Us Weekly: "Taylor and Travis told guests to be in NYC. No other location was provided.

"They're putting their guests on hold for a couple days. They are spending a lot of money - in the millions."

Meanwhile, it was previously claimed that Taylor and Travis are preparing for a two-day wedding celebration at New York's Madison Square Garden.

The couple are said to be planning an intimate ceremony followed by a much larger gathering over the Four...