Lady Gaga may be the most outspoken advocate for LGBT equality that pop music has ever seen.

She has marched in pride parades, appeared on the cover of Out magazine, advocated for marriage equality, started an organization devoted to ending bullying, and professed her desire to use her music as a conduit between gay culture and the American mainstream.

The 30-year-old singer's close ties to the LGBT world were reflected in a passionate and tearful tribute she made Monday evening to the victims of the Orlando mass shooting.

In front of Los Angeles City Hall, she began by saying that the violence was an "attack on everyone" and that she wanted to "take a real moment and mourn the tragic loss of the innocent, beautiful people."

"Let's all today pledge an allegiance of love to them and to their families who are suffering so deeply," Gaga said  in front of a large crowd at a vigil for the victims. "They are sons and daughters. They were fathers and mothers. They are all our brothers and our sisters."

The dedication in Los Angeles was held to honor the 49 victims who died early Sunday at the Pulse nightclub in Orlando. Other such dedications were held around the world.

The pop star said she refused to let her anger over the attack overshadow the need to honor the victims. Wiping her nose and with her eyes filled with tears, the singer briefly paused before continuing.

"I hope you know that myself and so many are your allies," she said, pointing at the crowd, which burst into applause. "Not only me, but everyone here. We represent the compassion and the loyalty of millions of people around the world that believe in you.

"You are not alone, you are not alone."

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Standing behind Gaga, people in the crowd held signs that spelled out "Orlando." Throughout the crowd, people used their smartphone flashlights like candles, holding the devices above their heads.

"Tomorrow I hope that we all race thoughtfully and loudly toward solutions. But tonight, and right now, Orlando, we are united with you. And we are here to remember," she concluded.

The "Born This Way" singer then helped to read the names of all 49 victims aloud as the solemn crowd stood in silence.

Gaga was later filmed leaving City Hall leaning from her car and waving a rainbow flag.

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