From Frozen star Kristen Bell and The Avengers' Mark Ruffalo to Oscar winner Julianne Moore and Hillary Clinton, the below 17 celebrities are just a few of those who flooded Twitter with messages of support for marriage equality, and encouraged the U.S. Supreme Court justices to stand on the right side of history as oral arguments for and against marriage equality conclude today in the nation's highest court.
17 Celebs Who Are Rooting – And Tweeting – for Marriage Equality
These celebs took to Twitter to urge the U.S. Supreme Court to stand on the right side of history today.















