Caitlyn Jenner initially appeared to believe she was greeting a fan when she was approached by Ashlee Marie Preston -- a transgender activist and editor-in-chief of Wear Your Voice magazine -- at a Trans Chorus of L.A. event.
Instead, she met a critic.
"It's really fucked up that you continue to support somebody... that does everything with the military, that's erasing our fucking community. And you support it," said Preston, who approached Jenner Saturday at the conclusion of the The Rise and Fall of Ziggy Stardust and the Spiders from Mars concert in Los Angeles.
Preston was referring to the transgender Republican's past support of President Donald Trump, who once promised to be an ally of the LGBT community, but has instead emerged as one of its greatest foes. As Preston referenced, Trump's administration has, among other grievances, erased LGBT people from federal websites and the national census. On Friday, Trump approved a directive banning transgender troops from the military.
"As long as we continue to be the ones that are most impacted by the choices that you make, it is not OK," declared Preston, who also said she was "so sick" of groups like the Trans Chorus accepting Jenner's donations without criticism.
"We are complicit. Taking her money and doing all that? It makes us complicit. It goes against the mission," Preston told the event's cochair, Dena Williams, who tried to quell the confrontation.
"How are we gonna fight anyone if she's giving money to the people that are destroying us?" Preston added.
At one point, Jenner quietly said, "You don't know me."
"Yes I do!" replied an incredulous Preston. "You're a fucking fraud and a fake."
After Jenner walked away, Preston turned to Williams. "I thought you were better than that. I'm really disappointed," she said.
Jenner was an early supporter of Trump, but has also been critical of his anti-LGBT actions. "There are 15,000 patriotic transgender Americans in the US military fighting for all of us. What happened to your promise to fight for them?" Jenner wrote in response to the announcement of the trans military ban.
However, some, including Preston, believe Jenner's response to the administration's bigotry has been inadequate. After slamming the ban, for example, Jenner was photographed wearing Trump's "Make America Great Again" hat -- a gaffe that appeared to undercut Jenner's critique.
On Twitter, Preston said she stood by her decision to confront Jenner.
Watch the exchange below.