The Kardashians star, 45, attended This Is About Humanity's 8th Annual Soiree on Saturday, August 29, in Hollywood — and sources told Just Jared that she offered up a $50,000 contribution.

The mother of four is friends with one of the organization's founders, Henry Winkler's daughter Zoe Winkler Reinis, so Kardashian posed with Reinis and Winkler at the event to show her support.

Founded in 2018 by Reinis, Elsa Marie Collins and Yolanda Selene Walther-Meade, This Is About Humanity describes itself as "a community dedicated to raising awareness about separated and reunified families and children at the U.S.-Mexico border."

According to their website, "We educate others on being allies and advocates, and through our proximate trips to the border and our This is About Humanity fiscal sponsorship fund at the International Community Foundation we help support those individuals with essentials for living, access to legal services, mental wellness checkups, and other shelter projects. We also provide for a range of projects including educational bus trips to the border, donations to legal services, construction projects at shelters, as well as material goods for unaccompanied minors."

This year's fundraising event honored Wilmer Valderrama, and other stars in attendance included Katharine McPhee, Constance Marie, Michael Cimino, Mayan Lopez and more.

Kardashian posted a carousel of photos from the event on Instagram, captioning the post with just an emoji of stars.

The Keeping Up With the Kardashians alum wore a cream, cropped cardigan with several buttons undone, showing her sheer bra underneath. She completed the look with a matching, flowy skirt.

In the comments section of her post, one person wrote, "She didn't pass the bar. She raised it!"