90210 castmates Shenae Grimes, Adam Gregory, Tristan Wilds, Dustin Milligan and Jessica Stroup volunteer their time on Saturday (March 14), helping Habitat for Humanity raise the walls of its 100th house in Pacoima, Calif.
Following the build, the cast met with the families of the community and their fans.
Additionally, in an upcoming episode of 90210, the students of West Beverly use their spring break vacation as an opportunity to build a home with Habitat for Humanity. The episode will air on Tuesday, April 14.
Catch eight straight new episodes of 90210 starting on Tuesday, March 31 @ 9PM ET/PT on The CW.