Taylor Swift and Travis Kelce may have assembled one of the most star-studded weddings in modern history, but if there’s one thing more dazzling than the A-list arrivals, it’s the gossip already spilling out from behind closed doors.While Friday night’s blockbuster bash at New York’s Madison Square Garden (MSG) is the headline event, insiders tell the Daily Mail it was Thursday’s intimate gathering where the real drama unfolded, with enough A-list gossip to keep Hollywood talking long after the last Champagne glass was emptied. And, according to one impeccably placed insider, the happy couple certainly didn’t cut corners.Despite Thursday’s celebrations taking place inside MSG’s smaller Infosys Theater, guests were treated to a setting that had been utterly transformed into an unrecognizably plush room. ‘Super posh,’ said our source.’You couldn’t tell it was MSG.’The lavish makeover came after days of feverish construction at the famous venue, with truckloads of towering trees, decorative shrubbery, luxury furnishings and endless fresh flowers disappearing behind black privacy screens. According to our insider, Swift declared Dunham a ‘genius’ after her speech; Above, in 2015And with a guest list rumored to stretch to 1,000 people across the multi-day extravaganza, Thursday’s gathering gave the couple’s closest friends and family a chance to celebrate before Friday’s main event.According to our mole, there were ‘lots of speeches’ throughout the evening, with both bride and groom taking on emcee duties.In an adorable personal touch, Kelce introduced Swift’s nearest and dearest before they addressed the room, while the pop superstar returned the favor by welcoming his closest friends to the microphone.But if anyone stole the show, it was one of Swift’s oldest friends.Girls creator Lena Dunham quipped during her speech that ‘American football is just straight guys reenacting gay porn’.The crude line instantly became one of the night’s biggest talking points, with our insider saying the joke drew a ‘divided’ response of ‘gasps and laughs’ from gathered guests.And while the joke may have raised a few eyebrows, one person was clearly delighted.According to our insider, Swift immediately declared Dunham a ‘genius’ after her speech.The two women have been close friends for more than a decade, with Dunham frequently defending Swift publicly and the singer serving as a bridesmaid at the actress’s own wedding in 2021.But not every conversation during the evening centered on speeches.Away from the microphones, another juicy tidbit quietly spread through the room – and it involved someone who wasn’t there.According to a second insider, a household-name celebrity had privately asked for an invitation before the wedding only to be politely turned down.Ouch.The identity of the rejected A-lister must remain a closely guarded secret, but the Daily Mail can confirm that their name would spark feverish chatter across Hollywood.Of course, not every famous face was expected to make an appearance.One notable absentee is understood to be Blake Lively, whose once-close friendship with Swift detonated last year amid the actress’s legal battle with Justin Baldoni.A source previously told the Daily Mail that Lively failed to make the final guest list following the collapse of their relationship, marking a dramatic end to one of Tinseltown’s most high-profile friendships.For everyone else lucky enough to score an invitation, getting through the door reportedly required almost military-level screening.As the Daily Mail has exclusively revealed, guests were required to sign nondisclosure agreements before receiving key details about festivities – a rule said to apply even to some of the couple’s closest friends and family. Only after RSVP’ing were invitees sent a link to the agreement, which prohibits them from discussing any aspect of the celebrations.Interestingly, the NDAs reportedly carry no financial penalty for anyone who breaks them.Instead, the couple are said to have relied on a far more clever safeguard by individually watermarking every invitation with each guest’s name, ensuring any leaked copy could be traced back to its owner almost instantly.The extraordinary precautions go some way toward explaining why so little has emerged from inside Madison Square Garden despite days of feverish activity surrounding the venue. Karlie Kloss and her husband Josh Kushner were surprise guests at the wedding Friday Bradley Cooper was spotted in his tuxedo ahead of Taylor Swift and Travis Kelce’s wedding for Night Two. His girlfriend, Gigi Hadid, is believed to be a bridesmaidOutside, however, it’s been impossible to miss.For much of the week, giant tractor-trailers have rolled up at all hours.Boxes of fresh lobster from Maine have been wheeled through loading docks, while black privacy tarps have been hung to shield workers constructing what multiple reports suggest is a life-sized fairytale castle inspired by Swift’s iconic 2008 Love Story music video.Workers wearing shirts bearing the logo from Swift’s Speak Now album have also been spotted darting in and out of the venue, only adding to the mystery.The security operation has proven just as eye-catching.More than 130 NYPD officers have reportedly been assigned to the celebrations, with additional security posts erected around Madison Square Garden, National Guardsmen stationed near VIP entrances and cooling stations installed to help officers cope with Manhattan’s sweltering holiday weekend temperatures.Police sources previously told the Daily Mail that Thursday evening would host the rehearsal-style gathering before Friday’s main celebration. In a statement Friday, Swift’s publicist confirmed the pair had been officially married in a ceremony officiated by comedian Adam Sandler.And if Thursday night’s guest list was impressive, Friday’s looks set to be even bigger.Jay-Z, Steven Spielberg, Bradley Cooper and Zoe Kravitz were among the latest A-listers already spotted arriving in New York, joining confirmed guests including Ed Sheeran and expected attendees such as Gigi Hadid, the Haim sisters, Dua Lipa, Graham Norton and Phoebe Waller-Bridge.With Stevie Nicks and Paul McCartney both rumored to perform, there is every chance the reception could double as one of the most exclusive concerts ever assembled.For now, though, the biggest stories aren’t coming from the stage – they’re coming from the whispers between speeches, the conversations away from the cameras and the snippets of gossip slowly leaking beyond the venue’s tightly guarded walls.