The diva, 32- who with MLB sun Justin Verlander- joined Hamlin, 26, and Fontana, 41, at the occasion which took place at Casa Cipriani.
During the ceremonies, Upton wowed guests with a figure-hugging, dressy gold velvet gown that clung to her body and contained a fitted neckline.
She slipped into a pair of beautiful, open-toed pumps that gave the ensemble an extra flashy flare.
Kate’s golden locks were parted to the side and naturally flowed down her shoulders in classy locks.
The charm opted for little accessories, and added a pair of delicate, gold hooped earrings as well as a platinum ring on her left elbow.
Her beauty included a part of makeup to her eyebrows and a light shadow around her eyes, as usual for the night.
Her lips were finished with a nude-colored bright tint and her cheekbones received a radiant glow from a warm blush.
When she arrived at the location in the Big Apple, the Sports Illustrated Swimsuit model was overcome with shock as she paused for a quick photo shoot.
The actress once ventured outside for more photos as she chatted with other guests and enjoyed the brighter, summer weather.
Delilah Hamlin flashed her breasts in a large, black and white polka dot gown with a thigh high cut on the left side at the dinner party, which likewise attracted attention from the crowd.
The media individuality- who is the child of Lisa Rinna and Harry Hamlin- slipped into a pair of large, dark over-the-knee socks and open-toed, dark heels.
To further glitter up her dress for the occasion, she added a pair of tiny pearls and sparkly jewelry.
Her little, platinum blonde hair parted to the side and slid down straight enough to almost touch the shoulders ‘ tips.
Samson covered her eyes with a strong, smoky darkness and a layer of mascara to give her lashes a pop.
Her cheekbones were covered in a warm color and dewy highlighter, while her lips were covered in a silky nude hue and finished off with a darker lipliner.
The unit also appeared to flash a bright smile while enjoying herself during a picture program at the party.
Isabeli Fontana, a Brazilian-born supermodel, made a statement by flashing her remarkable figure in a metal bralette top and a matching trousers that clung to her window and fell into a small teach behind her.
Her face was combed backward, allowing the pieces to obviously cascade down behind her.
For a finishing touch, Fontana added a pair of huge, hooped earrings to her left wrist, as well as hefty bracelets.
Isabeli’s beauty look comprised of makeup on her eyebrows, and a strong smokey shadow around her eyes. A peach-colored flush was worn on her cheeks, while a velvet, skinny colour was added to her mouth.
The design paused for a picture while holding a version of V Magazine in her arms as well as taking a number of photos outside the stadium.
Kate Upton and Isabeli eventually cross roads, and they stopped to take some wonderful pictures. The two were spotted flaunting their popular clothing while holding huge smiles on their faces.
Dixie D’Amelio put on a beautiful showcase wearing a strapless, light clothing that fell down past her legs.
The internet character swept her hair into a trendy off do and slipped into a pair of open-toed, white pump.
She added a pair of bright, silver earrings to her ensemble to make it the main focal point.
Eventually, Dixie was spotted staring up at a long table and revealing the backless part of the dress.
Delilah Hamlin’s mother, Lisa Rinna, even made an appearance at the occasion in NYC on Friday, and put on a fashionable show.
The TV personality sported a pair of loose-fitting, dark trousers as well as a dark and white-colored suit.
Rinna donned a pair of closed-toed, dark feet to correspond with the color scheme of the dress, but opted to never use any dazzling pieces of jewelry.
Lisa gave her cheekbones a strong, smoky dark and liner, as well as a warm blush and contour.
The mother-daughter combo were also seen hanging out during the night and snapping a few photos of themselves.
At one point, Stephen Gan joined the couple in a traditional black suit, velvet dress shirt, and dark link.
After the sun set, Rinna and Steven Klein paused for a picture and were also spotted co-coordinating color schemes.
Daiane Sodre was dazzled by a shimmering, strapless gold dress with a quit slit in the middle.
Her black locks split in the middle and quickly dipped past her shoulders in massive curls.
The charm turned away from the camera while posing outside while sporting a pair of gold-toned strappy shoes.
As Sodre prepared to pose on the support of V Magazine, she flashed a happy smile.
Maria Klaumann exhibited her figure in a long-sleeved, fitted dark dress with holes on the lower part for a sensual burst.
Her hair was parted to the side and sported beautiful locks down past her arms.
She paired her right forearm with a pair of thick gold bracelet and a pair of gold earrings to complete the look.
Coi Leray donned a fashionable outfit in a backless gown and allowed her black locks to stream down her shoulders in gentle waves.
As she paused for a bounce with Liv Vitale, she was spotted flashing a peace sign and puckering her cheeks toward the lens.
Leray even took a Polaroid pictures while attending the dinner party, similar to other famous people who came over the night.
Isabeli Fontana, Maria Klaumann, Daiane Sodre and Kate Upton gathered together for a fashionable group pictures. Finally, the concepts stepped outside to get another snap as the sun began to set in the far range.
After in, Upton was seen indulging in delicious pizza as she sat next to other visitor, Steven Klein.