Paris and Nicky Hilton attended Rihanna's annual Diamond Ball in NYC on Thursday night.
Paris, 37, sparkled in a pink feathery gown, while Nicky, 34, dazzled in a sheer strapless dress with cascading ruffles.
The star-studded gala, hosted by Issa Rae, benefited the Clara Lionel Foundation—a non-profit organization dedicated to assisting impoverished communities across the globe.
Sister, sister: Paris and Nicky Hilton attended Rihanna's annual Diamond Ball in NYC on Thursday night
Paris, who wore her hair in an intricate updo, paired her pastel ensemble with silver heels and a matching bedazzled clutch.
The Simple Life star's accessories were limited to her 20-carat, pear shaped engagement ring from fiance Chris Zylka.
Her glam for the evening included a pink lip and perfectly highlighted cheekbones.
Strike a pose: Paris' glam for the evening included a pink lip and highlighted cheekbones
Nicky's dress, designed by Oscar de la Renta, featured a floral design and a sweeping train.
The corseted bodice accentuated Hilton's petite figure, while the plunging neckline showed off her modest cleavage.
The mom-of-two accessorized with a diamond choker and simple, stud earrings.
Venue: Rihanna's black tie event, which included a performance by Childish Gambino, took place at Cipriani Wall Street
Rihanna's black tie event, which included a performance by Childish Gambino, took place at Cipriani Wall Street.
The 30-year-old singer turned actress founded the Clara Lionel Foundation in 2012.
The guest list also included Teyana Taylor, Tiffany Haddish, and Candice Swanepoel.
© Associated Newspapers Ltd.