The party took place at the SoHo residence of Joe and Christie Marchese in New York City late last month, and guests cheered to the success of the socialite turned mogul's latest project with Tequila Komos.
Nicky Hilton Rothschild was on hand to support his sister as well as a number of famous faces including actress Vivian Wu, model Jordan Barrett, actress Zoe Lister-Jones, Oscar de La Renta’s creative duo Fernando Garcia and Laura Kim, Nicky's husband James Rothschild, filmmaker Darren Aronofsky, producer Jordan Fudge, The Muse CEO Kathryn Minshew, actors Cailee Spaeny and Raymond Cham Jr., celebrity event planner Bronson Van Wyck and many more.
Scroll through the gallery below to see more photos from the after-party.
The lady of the hour arrived looking fabulous in a blue chiffon trapeze-style cape mini-dress featuring sparkly embellishments.
Despite the party being held in the evening, the international DJ threw on a pair of glamorous, retro-style pair of cat-eye sunglasses.
The hiked hemline on Paris' frock showed off her black Valentino pumps (and gorgeous gams).
Reum co-hosted the after-party with the bride-to-be and coordinated in a blue bomber bomber jacket, matching pants and white sneakers. The two got engaged back in February with the news breaking on Paris' 40th birthday.
Total pros! The Hilton sisters have been attending A-list parties in NYC since they were teenagers.
Paris and Nicky posed with former model Inga Rubenstein, who rocked a fun denim mini-dress.
Tequila Komos is a new high-quality añejo cristalino that recently debuted in the U.S.