On Friday, Selena Gomez's stylist, Erin Walsh, posted the pop star's look from night one of the celebrations

Some of Taylor Swift’s closest friends have been letting fans in on the behind-the-scenes preparations from the singer’s extravagant wedding celebrations.

Swift has thrown multiple events this week in honor of her tying the knot with Travis Kelce.

There are conflicting reports about whether Swift and Kelce, both 36, have already gotten married, but an enormous party with 1,000 guests in New York City is now well underway.

On Thursday night, some of her closest friends gathered at the Infosys Theater at Madison Square Garden for an intimate kickoff celebration.

Famous attendees included Selena Gomez, Jack Antonoff and Lena Dunham, as well as the singer’s childhood friend Abigail Anderson, the total count rumored to be capped at 100.

And while some A-list attendees have appeared to stay mum around the event and what they’re wearing, others have taken to Instagram to share sneak peeks of their stunning looks.

Despite a strict no phones policy, that hasn’t stopped an array of famous faces from giving fans a glimpse of the goings-on from across the schedule of events. 

On Friday, Selena Gomez’s stylist, Erin Walsh, posted the pop star’s look from night one of the celebrations. 

Gomez wore a stunning, strapless black floral lace gown by Oscar de la Renta, complete with a pair of heels from Jimmy Choo.

On Friday, Selena Gomez's stylist, Erin Walsh, posted the pop star's look from night one of the celebrations

On Friday, Selena Gomez’s stylist, Erin Walsh, posted the pop star’s look from night one of the celebrations

She wore her hair in a slick-back updo, which showed off her dangling diamond earrings and a diamond ring made by Fernando Jorge, the pieces reportedly totaling $40,000

She wore her hair in a slick-back updo, which showed off her dangling diamond earrings and a diamond ring made by Fernando Jorge, the pieces reportedly totaling $40,000

Gomez wore a stunning, strapless black floral lace gown by Oscar de la Renta

Gomez wore a stunning, strapless black floral lace gown by Oscar de la Renta

The dress also appeared to have a sexy slit up the thigh.   

She wore her hair in a slick-back updo, which showed off her dangling diamond earrings and a diamond ring made by Fernando Jorge, the pieces reportedly totaling $40,000.

Gomez also teased her own fans as she snapped an Instagram story in a car on her way to Thursday night’s celebrations, using the special moment to promote a lipstick from her Rare Beauty brand.

The clip showed her applying the pink lipstick in the back of a car while wearing a glamorous black gown. She then shared a close-up photo showcasing the lip product, a forthcoming release from her brand.

Gigi Hadid also shared glimpses of her glam look for Thursday night’s festivities.  

Hadid’s hairdresser, Dimitris Giannetos, shared new photos on Instagram of the recent cut and style he had done for the star. 

The pictures showed Hadid sporting gorgeous, bouncy layers that framed her face, the length hitting just below her shoulders.

Hadid was snapped showing off her new hair while wearing a blue t-shirt, glowing makeup, and a stunning mauve lip color.

Gigi Hadid also shared glimpses of her glam look for Thursday night's festivities

Gigi Hadid also shared glimpses of her glam look for Thursday night’s festivities

Hadid's hairdresser, Dimitris Giannetos, shared new photos on Instagram of the recent cut and style he had done for the star

Hadid’s hairdresser, Dimitris Giannetos, shared new photos on Instagram of the recent cut and style he had done for the star

He also shared insight into how he perfected the look, detailing that he used a round brush to achieve the shape

He also shared insight into how he perfected the look, detailing that he used a round brush to achieve the shape

Olympic gymnast Simone Biles also shared a peek into her getting-ready process, as she took to Instagram on Friday afternoon to share the glam set up at her hotel

Olympic gymnast Simone Biles also shared a peek into her getting-ready process, as she took to Instagram on Friday afternoon to share the glam set up at her hotel

Simone's makeup artist took to Instagram on Friday to share a photo of the star getting ready for the big night ahead, as she wore floral Skims pajamas

Simone’s makeup artist took to Instagram on Friday to share a photo of the star getting ready for the big night ahead, as she wore floral Skims pajamas 

Her golden locks looked voluminous, as Giannetos called the style ‘love layers.’

‘I wanted to create the updated version of the C-cut this evening [giving] Gigi some Love Layers (aka heart shape layers)!’ he wrote in the caption.

‘A bit more lift on the roots and the first layers start hitting a little below the chin ’till the tips of the hair! It creates basically an illusion of heart shape layers! Volume on the top and more narrow at the bottom!’

‘In this case you can create an illusion of contour with the haircut so the face looks more structure! Always this haircut looks good w a mid part!’ he added.

He also shared insight into how he perfected the look, detailing that he used a round brush to achieve the shape.

‘A big round brush, pin the hair up ’till they cool down after, brush the hair with your fingers and lastly, spray some hairspray ’till you create your heart shape layers, your love layers!’ he explained.

Olympic gymnast Simone Biles, 29, also shared a peek into her getting-ready process, as she took to Instagram on Friday afternoon to reveal the glam set up at her hotel.

Real estate mogul Barbara Corcoran also got in on the action as she shared a video from her makeup vanity while wrapped up in a white bathrobe

Real estate mogul Barbara Corcoran also got in on the action as she shared a video from her makeup vanity while wrapped up in a white bathrobe

Kelce's close friend and former college teammate, Summit Hogue, also shared a behind-the-scenes look as wife Miranda got glammed up

Kelce's close friend and former college teammate, Summit Hogue, also shared a behind-the-scenes look as wife Miranda got glammed up

Kelce’s close friend and former college teammate, Summit Hogue, also shared a behind-the-scenes look as wife Miranda got glammed up

NFL player Trent McDuffie and fiancee Gabriella Esposito also shared a snapshot from inside their ride to the event - as the soon-to-be bride flashed her own engagement ring

NFL player Trent McDuffie and fiancee Gabriella Esposito also shared a snapshot from inside their ride to the event – as the soon-to-be bride flashed her own engagement ring

She posted a table with tons of makeup products on it, which included powders from Huda Beauty and Makeup by Mario.

The star, who is married to NFL player Jonathan Owens, also tagged hairstylist Justin Revenge and makeup artist Deja Blackwell in the snap. 

NFL player Trent McDuffie and fiancee Gabriella Esposito also shared a snapshot from inside their ride to the event – as the soon-to-be bride flashed her own engagement ring. 

Kelce’s close friend and former college teammate, Summit Hogue, also shared a behind-the-scenes look as wife Miranda got glammed up. 

Real estate mogul Barbara Corcoran, 77, also got in on the action as she shared a video from her makeup vanity while wrapped up in a white bathrobe and clutching a glass of wine.

‘I’m getting ready for a very special wedding. Such a love story and the groom is such a hunk. I can’t wait to get there and I’m so happy for them,’ she shared. 

Festivities are set to kick off again on Friday evening, as the couple is expected to welcome 1,000 guests at MSG. 

Swift and Kelce reportedly confiscated their guests’ phones to avoid leaks at the party on Thursday, and NYPD officers will be working the event all weekend. 

Guests are expected to arrive at MSG at 3.30pm ET, and the festivities will kick off around 5pm. City permits suggest the extravaganza could go on until 4am.

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