Photos: Drew Barrymore, Bill Clinton, Mandy Moore Lead Service Project at the San Diego Food Bank

Students and a handful of celebrities including Drew Barrymore and Mandy Moore joined former President Bill Clinton on Sunday morning to volunteer at the San Diego Food Bank on the final day of the Clinton Global Initiative University..

The three-day conference aims to inspire, educate and assist college students to address global issues with innovative solutions to some of the world’s most pressing challenges including environmentalism, college affordability, LGBT issues, human rights, poverty, urbanization and efforts to reach at-risk youth.

Approximately 1100 students representing 349 schools from 90 countries and all 50 states are attending the conference.