Kim Kardashian may not have cleared her bar exam results, but that is not stopping her from going all out for her mother's 70th birthday celebration. Kim Kardashian was spotted wearing a sparkling purple crystal-embellished gown for Kris Jenner's special night.Kim stole everyone's breath away with her sheer halter-neck gown with a backless design. The dress is a two-piece ensemble with criss-cross straps on the back, studded with diamonds. For her hair, Kim opted for a chic updo with two plaits pinned in a futuristic style. As for her makeup, Kim K went full glam, highlighting her sharp cheekbones with a similar shade to her purple dress.Kim was spotted outside of Jeff Bezos' mega mansion in Beverly Hills, where the celebration was held. Keep reading to know what the other Kardashian-Jenner women wore to Kris' birthday party.What did Kim Kardashian's sisters wear to Kris Jenner's 70th birthday party?Kim Kardashian looked glamorous in the crystal-studded purple gown. Her Kardashian-Jenner siblings also had their own fashion moments.Before dissecting the Kardashian-Jenner clan's looks, The Sun US reported that Kris Jenner celebrated her 70th birthday in a red strapless dress with ruffles on the neckline. According to a photo shared by The Sun UK, Kris accessorized with chunky dangling diamond earrings.Coming to other Kardashian-Jenner members, Kylie shared a few photos and videos of herself on her official Instagram account. The 28-year-old businesswoman donned a white twisted halter-neck dress with cut-outs on the waist and a sheer skirt paired with matching white heels.Kylie Jenner's outfit for Kris Jenner's 70th birthday (Image via Instagram)As for her hair and accessories, she had her hair in a cascading bun, and her ears were bedazzled with cuffs, studs, and leaf-like earrings.Kendall Jenner matched with her mother on Kris' special night. The supermodel shared a photo of herself with her friend, Hailey Bieber. She wore a deep red spaghetti strap dress with a sweetheart neckline. She completed her look with an eye-catching necklace.Kourtney was spotted pulling up in a car, and while her full look was not entirely visible, The Sun US captured her in a black halter-neck dress, sheer gloves, layered bracelets, and bangs.Kim Kardashian and her sisters made sure Kris Jenner's 70th birthday was a night to remember. Each of the Kardashian-Jenner women brought their own touch of glamour, from Kylie's sheer white gown to Kendall's deep red dress. Together, they turned the celebration into a full-on fashion moment.