Last night in Beverly Hills, Rihanna hosted her first annual Diamond Ball, a charity event for the Clara Lionel Foundation (named in honor of her grandparents). Rih switched it up bit for the event, opting for a rose hued strapless gown from Zac Posen's Fall 2014 collection.
Big Sean looked dapper in all black.
Ellen Pompeo styled in a black satin jumpsuit with keyhole detailing.
Fabolous gave his tux some flair with a wide brim hat.
Kat Graham looked super sexy in a plunging neckline gown with sheer sleeves.
Kim Kardashian kept to her usual aesthetic, opting for a Balenciaga Spring 2015 look consisting of a black bodysuit with an embellished fish-netted overlay and black duchess satin coat.
Kris Jenner was also in attendance, opting for a chic Balmain pantsuit styled with Saint Laurent pumps.
Salma Hayek looked amazing in a floor grazing gown with a sexy animal print.
Tia Mowry-Hardrict brought a bit of drama to the red carpet in an Edward Arsouni gown which featured a luxe satin draped bodice, lace sleeves and crepe skirt.
Adrienne Bailon showed off her killer curves in a custom Michael Costello gown which was completely backless.