Outrageous cost of Taylor Swift's MSG wedding celebrations revealed - including the $1m that TAXPAYERS will have to fork out to protect cosseted A-List guests

and 's extravagant Madison Square Garden wedding celebration cost over $15 million, industry experts claim.

The couple is headed back to the iconic music venue for night two of their nuptials, after welcoming 100 of their closest friends at a 'rehearsal dinner' on Thursday. 

Experts revealed that the celebration for the pop star and Chiefs tight end, both 36, costs over $15 million, and taxpayers footed over $1 million to help cover the bill.

One insider told The New York Times it would cost between $1.2 million and $1.6 million to book out Madison Square Garden for two days.

Insurance would cost over $10,000, Erica Maurer, a partner at EMRG Media, told the newspaper.

Lighting, sound, catering, flowers, decorations and labor could cost between $10 million and $12 million, The Times suggested, while adding that their estimate was a very conservative one. 

Permit fees for the two-day affair would likely cost at least $132,000 based on the city’s permitting office rates.

It would also cost taxpayers over $1 million to have hundreds of police officers providing security and patrolling MSG.

Ahead of their celebration, Swift and Kelce The unusually specific number has sparked speculation that it matches the actual cost of their wedding celebrations. 

The bride arrived at Thursday's event two hours before its start time in a blacked-out silver Chevrolet Suburban with an extended roof and communication antennas.

She was later seen returning home well after midnight, having spent more than eight hours partying at what was said to be her first-night bash.

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Famous guests including Selena Gomez, Jack Antonoff, Gigi Hadid and Bradley Cooper, as well as the singer's childhood friend Abigail Anderson, were seen heading inside on Thursday, while Taylor was spotted being swept into the back.

As we previously reported, the dress code for Thursday's event was 'cocktail attire', a source said, with only family members and close friends invited.

Outsiders were given a few rare glimpses of how the pop singer and the Chiefs tight end transformed the venue into the wedding celebration of their wildest dreams.

Pink, orange and yellow roses were photographed woven into foliage at the top of an escalator on Thursday night.

The venue was lit up with lights and adorned with dusty pink curtains.

It's been said that Swift built a custom 'castle' inside MSG and has supposedly bought every available calla lily in the city.

Guests descended upon the theatre to the most exclusive invite in town in stunning ensembles.

Sports commentator Erin Andrews, former football player Ross Travis and NFL WAG Claire Kittle were all among the famous faces to flaunt their fashion credentials.

The stars brought traffic to a halt with police banning the press from assembling near the venue and even threatening to arrest those who don't comply.

They hung curtains on the arena's large windows and erected an arrivals tent which blocked the public's view of who was there.

A sign at a security checkpoint outside the venue instructed guests to 'have identification out, have devices ready', suggesting attendees were forced to give up their phones before entering.