Same-sex marriage supporters demonstrate in front of the Supreme Court on March 27, in Washington, D.C.

A demonstrator holds a Bible while marching outside the Supreme Court in Washington, on March 26, as the court heard arguments on California's voter approved ban on same-sex marriage, Proposition 8.

Pro same-sex marriage activist Ryan Toney, 18, of Washington, D.C. stands in front of the Supreme Court in Washington D.C. on Wednesday.

Opponents of same-sex marriage participate in the March for Marriage in Washington, D.C. on March 26.

Same-sex marriage supporters and same-sex marriage opponents argue their points in front of the US Supreme Court on March 26, in Washington, D.C.

Couples exchange vows during a mass wedding for 25 same-sex partners at Seattle First Baptist Church, Dec. 9, 2012, in Seattle, Wash. Sunday is the first day that same-sex couples can legally wed in Washington state.

Terry Gilbert, left, kisses his husband Paul Beppler after getting married at Seattle City Hall, becoming one of the first gay couples to legally wed in the state, Dec. 9. Gov. Chris Gregoire signed a voter-approved law legalizing gay marriage on Dec. 5 and weddings for gay and lesbian couples began in Washington on Sunday, following the three-day waiting period after marriage licenses were issued earlier in the week.

Same-sex couple Ray Durand, left, and his partner Dale Shields kiss while having their picture taken after their wedding ceremony at the Manhattan City Clerk's office on the first day New York State's Marriage Equality Act goes into effect on July 24 in New York City. Today was the first day gay couples were allowed to legally marry in New York State after Gov. Andrew Cuomo signed the historic legislation into law.