Actress Julianne Moore made an appearance at a rally outside the Supreme Court, where justices are determining Second Amendment rights for domestic violence abusers.

Moore, who was delivering a speech at the rally, explained that she has been active in "gun safety" movements since 2012, when the Sandy Hook school shooting occurred. She stated that she had tried to protect her children from gun violence and that she was asked by her young daughter if "a bunch of little kids" had been shot in the shooting.

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"And I was so ashamed of myself. I was so ashamed because I realized that I wasn't protecting her, I wasn't shielding her, I wasn't doing anything to keep her and her brother safe unless I became involved in the gun safety movement," Moore said, eliciting cheers from the rally attendees. "But that's what all of you are doing too. But I never, of course, never ever expected I would be doing this. I never expected I would be doing this for so long!"

Moore went on to state that her daughter is now 21 and that the Supreme Court is determining whether "young women like her" would be at greater risk of domestic abuse. She ended her speech by thanking those in attendance, stressing that their fight is "urgent."

Supreme Court justices on Tuesday appeared to side with the Biden administration's appeal of a lower court ruling that struck a federal statute barring people under a domestic violence restraining order from owning a firearm.

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The U.S. Court of Appeals for the 5th Circuit sided with Texan Zackey Rahimi earlier this year, holding that 18 U.S.C. § 922(g)(8), a federal law blocking anyone subject to domestic violence restraining orders from possessing a gun, violates the Second Amendment right to keep and bear arms. That prompted a strict rebuke from Attorney General Merrick Garland, who appealed the case to the nation's highest court.

"The only difference between a battered woman and a dead woman is the presence of a gun," Justice Department Solicitor General Elizabeth Prelogar told the justices on Tuesday at the start of nearly 100 minutes of arguments.