Stuart Gaffney and John Lewis, who were plaintiffs in favor of same-sex marriage, celebrate on the steps the California Supreme Court.

Kate Kendall, executive director of the National Center for Lesbian Rights, holds the ruling on the steps of the California Supreme Court.

Supporters of same-sex marriage Maya Scott-Chung and Beth Teper of Oakland hug on the steps of the California Supreme Court.

Same sex couples celebrated the Supreme Court decision.

San Francisco Mayor Gavin Newsom at a press conference and celebrates the courts decision with proponents of same-sex marriage at San Francisco City Hall.