Walsh supports pet adoption and frequently campaigns for the cause. On February 7, 2008, she cut the ribbon to a new dog adoption center named in Times Square. In 2005, Walsh joined the Planned Parenthood Federation of America (PPFA)'s Board of Advocates, and in 2008 received the PPFA Maggie Award for an Artist who Stands Up for Reproductive Health and Freedom. She has participated in numerous Planned Parenthood activities, including national fundraisers, local Planned Parenthood affiliate events, the PPFA Awards Gala, and lobby day on Capitol Hill promoting the need for comprehensive sex education. In January 2009, she spoke at the Planned Parenthood Presidential Inauguration Brunch in Washington, D.C.