Cody Simpson & Kylie Jenner: Kidstock 2012 with Caroline Sunshine!

Kylie Jenner and Caroline Sunshine both wear bright red pants as they attend the 2012 Kidstock Music And Arts Festival held at Greystone Mansion on Sunday (June 3) in Beverly Hills, Calif.

The two were joined by musician Cody Simpson, who was there to support younger sister Alli who was hosting the event with Radio Disney’s Jake Whetter.

PHOTOS: Check out the latest pics of Caroline Sunshine

“props to @CodySimpson for coming out to support music and @allisimpson at Kidstock today #classysiblings #sophistication,” Caroline tweeted.

Guests were treated to a homemade soda making station by SodaStream and a bean bag toss by Baskin Robbins. Reese Witherspoon had fun with both!

10+ pics inside of Kylie, Cody and Caroline…