Documenting theircoordinating mother-daughter outfits, the Kylie Cosmetics mogul posted a series of images showing off herall-white pantsuit, which complimented her mother’s black-and-white tuxedo ensemble.

“Locking down deals etc,” Kylie captioned the photos, before going on to post a solo picture of her own form-fitting look for the evening, which she captioned with a black heart emoji.

Throughout the course of the night, theKeeping Up with the Kardashiansstar, 22, also posted a series of clips as she spent time with Gamble, 39.

Kylie and Kris Jenner.Kris Jenner/Instagram

Kylie and Kris Jenner

The auction also featured some stripped-down performances from Bieber, who curated the evening alongside his wife.

Not letting her two friends have all the fun, at one point, Kylie herself grabbed the microphone to let the crowd hear her sing “Rise and Shine.”

Kylie Jenner and Corey Gamble.Kylie Jenner/Instagram

Kylie Jenner

Justin Bieber and Jaden Smith.Kylie Jenner/Instagram

Kylie Jenner

Another photo from the night showed Best and Bieber standing in front of someSimpsons-inspired art.

“Incredible eveningraising money for a great cause. Honored to be a part of it ??,” Best captioned the shot.

Proceeds from the auction will benefit charity organizations LIFT Los Angeles and Inner-City Arts.

Kylie Jenner.Kylie Jenner/Instagram

Kylie Jenner

“How did I end up here?” she captioned one video that appeared to show the star on a party bus with pals, before posting a video of herself and Karanikolaou walking into a restaurant.

Kylie recently returned back home to California following a snowy trip to Park City, Utah, with daughterStormi, 22 months — where the toddlerwent snowboarding for the very first time!

A source previouslytold PEOPLEthe proud mom of one “had the best time.”

“Kylie couldn’t wait to take Stormi for her first snow vacation,” the source said. “She was beyond excited. Stormi snowboarded with an instructor and loved it. They have had the best time in Park City.”

source: people.com